Zhipeng Liao
Department of Economics
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2.7
Overall Rating
Based on 32 Users
Easiness 2.5 / 5 How easy the class is, 1 being extremely difficult and 5 being easy peasy.
Clarity 2.5 / 5 How clear the class is, 1 being extremely unclear and 5 being very clear.
Workload 3.4 / 5 How much workload the class is, 1 being extremely heavy and 5 being extremely light.
Helpfulness 3.0 / 5 How helpful the class is, 1 being not helpful at all and 5 being extremely helpful.

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There are no relevant tags for this professor yet.

GRADE DISTRIBUTIONS
16.3%
13.6%
10.9%
8.1%
5.4%
2.7%
0.0%
A+
A
A-
B+
B
B-
C+
C
C-
D+
D
D-
F

Grade distributions are collected using data from the UCLA Registrar’s Office.

14.7%
12.3%
9.8%
7.4%
4.9%
2.5%
0.0%
A+
A
A-
B+
B
B-
C+
C
C-
D+
D
D-
F

Grade distributions are collected using data from the UCLA Registrar’s Office.

12.8%
10.6%
8.5%
6.4%
4.3%
2.1%
0.0%
A+
A
A-
B+
B
B-
C+
C
C-
D+
D
D-
F

Grade distributions are collected using data from the UCLA Registrar’s Office.

14.2%
11.8%
9.4%
7.1%
4.7%
2.4%
0.0%
A+
A
A-
B+
B
B-
C+
C
C-
D+
D
D-
F

Grade distributions are collected using data from the UCLA Registrar’s Office.

14.4%
12.0%
9.6%
7.2%
4.8%
2.4%
0.0%
A+
A
A-
B+
B
B-
C+
C
C-
D+
D
D-
F

Grade distributions are collected using data from the UCLA Registrar’s Office.

12.5%
10.4%
8.3%
6.3%
4.2%
2.1%
0.0%
A+
A
A-
B+
B
B-
C+
C
C-
D+
D
D-
F

Grade distributions are collected using data from the UCLA Registrar’s Office.

14.0%
11.7%
9.3%
7.0%
4.7%
2.3%
0.0%
A+
A
A-
B+
B
B-
C+
C
C-
D+
D
D-
F

Grade distributions are collected using data from the UCLA Registrar’s Office.

14.3%
11.9%
9.5%
7.1%
4.8%
2.4%
0.0%
A+
A
A-
B+
B
B-
C+
C
C-
D+
D
D-
F

Grade distributions are collected using data from the UCLA Registrar’s Office.

12.2%
10.1%
8.1%
6.1%
4.1%
2.0%
0.0%
A+
A
A-
B+
B
B-
C+
C
C-
D+
D
D-
F

Grade distributions are collected using data from the UCLA Registrar’s Office.

12.0%
10.0%
8.0%
6.0%
4.0%
2.0%
0.0%
A+
A
A-
B+
B
B-
C+
C
C-
D+
D
D-
F

Grade distributions are collected using data from the UCLA Registrar’s Office.

ENROLLMENT DISTRIBUTIONS
Clear marks

Sorry, no enrollment data is available.

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Reviews (24)

1 of 3
1 of 3
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Quarter: Winter 2023
Grade: D+
April 30, 2023

Professor read off slides that were so hard to understand because he didn't explain the notations unless you ask him. I could've put more effort into this class but I was juggling two mgmt classes at the same time so my grade suffered. if you're not a mathy person this might be hard for you. I found econ 11 to be easier but that's also cuz I had a great professor too. shoutout to surro :p

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Quarter: N/A
Grade: N/A
April 10, 2015

Liao was actually a surprisingly good professor. The quarter I had to take Econ 41 I didn't have the option to go with Rojas that I wanted, so I was nervous about taking Liao since he had no reviews and I heard his accent is pretty tough.

Nevertheless, the class is incredibly straightforward. All lecture notes are posted online and he merely goes into them in more detail in class which is very helpful since you can study things you may not have understood in class at home and clarify things in his online notes during lecture. The midterm was very easy and covered only up to basic probability concepts such as independence and conditional probabilities. It's made super easy and I, like a lot of people, was able to get 100 on it. He also provides a significant time gap between the midterm and the last content covered on it. So you have a good 2 weeks to study for the midterm which was very generous.

Our class was a bit behind so he did end up rushing a bit at the end when we got to actual hypothesis testing and he was barely able to finish the last lecture materials on the very last day of class. Things really do pickup very quickly after the midterm. This makes it a bit hard, especially because you likely fall behind at least a bit while studying for the midterm itself but it's doable as long as you have a good TA (Alec was great during my quarter) and try not fall too behind.

The final, like the other guy said, was definitely hard. it was more than twice the length of the midterm in less than twice the time (30 questions on midterm, 80 on final). On the other hand, no you don't need a tutor as long as you can... you know... study? The content on the final is definitely harder than the midterm. DO NOT solely rely on his practice questions to study for the final!! While that's a good strategy for the midterm, it will NOT help you for the final as the content is much more difficult and is meant to put you in a huge time crunch. That being said, he told us he didn't expect anyone to finish the exam (nobody did) and thus you should take your time, do the easiest first, and try to be as accurate as possible before just bubbling randomly in the last minute or two. I studied as many textbook, practice problems (TA and prof), and past exams from other classes as I could to be familiar with any type of problem he could throw and ended up getting one of the highest scores. The final is curved VERY generously though so don't worry. Average score was about a 50% i think

Overall, surprisingly good professor. Definitely a nice guy who does care. His accent can be rough at times but honestly he explains things pretty well regardless.

Helpful?

1 1 Please log in to provide feedback.
Quarter: N/A
Grade: N/A
July 31, 2015

great econ professor in econ department. You can learn a lot from the class. Selling textbook for econ41. Text me **********

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1 2 Please log in to provide feedback.
Quarter: Winter 2024
Grade: B+
Verified Reviewer This user is a verified UCLA student/alum.
June 24, 2024

Avoid this professor if you can. His tests are unreasonably hard for the given amount of time, with over half the class failing the final if it weren’t for the curve (even with curve about a third still failed). His accent is so thick that you can barely understand his lectures and you end up solely relying on the slides. Hw is optional so the whole grade is based off the midterm and final or just the final (whichever ends up being higher).

Bottom line: wait till next quarter to take this course if you can.

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0 0 Please log in to provide feedback.
Quarter: Winter 2024
Grade: C+
Verified Reviewer This user is a verified UCLA student/alum.
April 13, 2024

this class in particular was my kryptonite because even though the material itself is easy, the way Professor Liao teaches is just not great. i ended up not going to his lectures and only his office hours and ta discussions because i would often sleep in his class. the midterm was easy but the final was just a dumpster fire. i suppose it was to balance the class averages from both exams since the midterm's average was pretty high.

overall, i would rather take a different professor than him but if you find ways to self-study, you should be fine.

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Quarter: Winter 2024
Grade: A-
Verified Reviewer This user is a verified UCLA student/alum.
April 3, 2024

I would not recommend taking this class with Liao, mainly because of the grade scheme. His lectures are useless to go to, so just focus on the homework, the discussion, and the slides he posts. The final is either 100% of your grade or 70% (if you do better on the final the midterm is dropped) and as mentioned the grading is purely competitive. Our final average was a 63% or so, and an 80% got me an A- (my midterm was dropped). I think if you spend a lot of time on the practice exams you will be fine, but if you want to save yourself the stress try and take someone else.

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0 0 Please log in to provide feedback.
Quarter: Winter 2024
Grade: A
Verified Reviewer This user is a verified UCLA student/alum.
March 29, 2024

i would say liao is a pretty good teacher to have for econ 41 compared to the others. he does have a very strong accent so it is difficult to understand him in class or over his recordings. he posts his lecture slides on canvas and the TAs post their discussions as well so i mainly did this class remotely and had no issue. liao creates reasonable, multiple-choice exams, unlike what i experienced in econ 11. the midterm was 30% and the final was 70%. his midterm was very easy and almost exactly like the practice midterm, if easier. it is 30 questions in 1 hour and 15 minutes, and i had time to triple check my answers and still turn it in early. the final was 51 questions and 2 hours, which was a huge time crunch, but still very similar to the practice final. the worst thing about this class is that he follows a grading structure of 25% A’s, 35% B’s, 25% C’s, and 15% fail, so no matter how good you do on the exams, you’re just competing against how well you did against your classmates. as long as you study and know how to do the practice finals you'll be good.

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0 0 Please log in to provide feedback.
Quarter: Winter 2024
Grade: N/A
Verified Reviewer This user is a verified UCLA student/alum.
March 19, 2024

Ill go straight to the point: do not take this guy. If you can do yourself a favor of just taking 11 or 101 if there is no other professors the quarter you plan on taking 41. He's english is horrible so you wont understand anything, he only reads his slides which mostly have useless information for the class, you will only learn from viewing the office hours where he teaches how to solve the homework but not even with that you will learn the concepts. In this class you mainly learn only how to solve some of his problems, which even thought I spent over 1 month studying for the final, he gave us some new problems which with the little time (51 questions in 2 hours) is impossible to think how to solve this problems. I do not understand what is the point of doing this in order for most students to literally only answer half of the exam and getting your grade based on the curve. I had the final today, and the curve situation is that bad that my final grade can be between an F or an A as I can only hope that the rest of the class did horrible (which most likely they did as almost everyone had to guess at least 14 questions). If you say that this class is good, either you are an extreme nerd with no life or you just are kissing his a*s idk why. At least they say the curve is insane for this class.

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0 0 Please log in to provide feedback.
Quarter: Fall 2024
Grade: DR
Verified Reviewer This user is a verified UCLA student/alum.
Jan. 19, 2024

I am both a native English and Mandarin speaker yet his accent was so difficult to understand. He does not explain much unless you ask and mostly reads off his slides and answer keys (when going through homework questions). My only saving grace was my TA, HanYan. The mid term was extremely easy, but the final was horrid. I did not know how to even approach at least 7 questions, and towards the end I was just estimating answers because of the time crunch. Do yourself a favour and look for a different class or professor to save yourself the stress.

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0 0 Please log in to provide feedback.
Quarter: Winter 2023
Grade: C
May 4, 2023

Avoid at all cost. Good luck understanding his "ENGLISH". Only reads off from slides

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Quarter: Winter 2023
Grade: D+
April 30, 2023

Professor read off slides that were so hard to understand because he didn't explain the notations unless you ask him. I could've put more effort into this class but I was juggling two mgmt classes at the same time so my grade suffered. if you're not a mathy person this might be hard for you. I found econ 11 to be easier but that's also cuz I had a great professor too. shoutout to surro :p

Helpful?

1 0 Please log in to provide feedback.
Quarter: N/A
Grade: N/A
April 10, 2015

Liao was actually a surprisingly good professor. The quarter I had to take Econ 41 I didn't have the option to go with Rojas that I wanted, so I was nervous about taking Liao since he had no reviews and I heard his accent is pretty tough.

Nevertheless, the class is incredibly straightforward. All lecture notes are posted online and he merely goes into them in more detail in class which is very helpful since you can study things you may not have understood in class at home and clarify things in his online notes during lecture. The midterm was very easy and covered only up to basic probability concepts such as independence and conditional probabilities. It's made super easy and I, like a lot of people, was able to get 100 on it. He also provides a significant time gap between the midterm and the last content covered on it. So you have a good 2 weeks to study for the midterm which was very generous.

Our class was a bit behind so he did end up rushing a bit at the end when we got to actual hypothesis testing and he was barely able to finish the last lecture materials on the very last day of class. Things really do pickup very quickly after the midterm. This makes it a bit hard, especially because you likely fall behind at least a bit while studying for the midterm itself but it's doable as long as you have a good TA (Alec was great during my quarter) and try not fall too behind.

The final, like the other guy said, was definitely hard. it was more than twice the length of the midterm in less than twice the time (30 questions on midterm, 80 on final). On the other hand, no you don't need a tutor as long as you can... you know... study? The content on the final is definitely harder than the midterm. DO NOT solely rely on his practice questions to study for the final!! While that's a good strategy for the midterm, it will NOT help you for the final as the content is much more difficult and is meant to put you in a huge time crunch. That being said, he told us he didn't expect anyone to finish the exam (nobody did) and thus you should take your time, do the easiest first, and try to be as accurate as possible before just bubbling randomly in the last minute or two. I studied as many textbook, practice problems (TA and prof), and past exams from other classes as I could to be familiar with any type of problem he could throw and ended up getting one of the highest scores. The final is curved VERY generously though so don't worry. Average score was about a 50% i think

Overall, surprisingly good professor. Definitely a nice guy who does care. His accent can be rough at times but honestly he explains things pretty well regardless.

Helpful?

1 1 Please log in to provide feedback.
Quarter: N/A
Grade: N/A
July 31, 2015

great econ professor in econ department. You can learn a lot from the class. Selling textbook for econ41. Text me **********

Helpful?

1 2 Please log in to provide feedback.
Verified Reviewer This user is a verified UCLA student/alum.
Quarter: Winter 2024
Grade: B+
June 24, 2024

Avoid this professor if you can. His tests are unreasonably hard for the given amount of time, with over half the class failing the final if it weren’t for the curve (even with curve about a third still failed). His accent is so thick that you can barely understand his lectures and you end up solely relying on the slides. Hw is optional so the whole grade is based off the midterm and final or just the final (whichever ends up being higher).

Bottom line: wait till next quarter to take this course if you can.

Helpful?

0 0 Please log in to provide feedback.
Verified Reviewer This user is a verified UCLA student/alum.
Quarter: Winter 2024
Grade: C+
April 13, 2024

this class in particular was my kryptonite because even though the material itself is easy, the way Professor Liao teaches is just not great. i ended up not going to his lectures and only his office hours and ta discussions because i would often sleep in his class. the midterm was easy but the final was just a dumpster fire. i suppose it was to balance the class averages from both exams since the midterm's average was pretty high.

overall, i would rather take a different professor than him but if you find ways to self-study, you should be fine.

Helpful?

0 0 Please log in to provide feedback.
Verified Reviewer This user is a verified UCLA student/alum.
Quarter: Winter 2024
Grade: A-
April 3, 2024

I would not recommend taking this class with Liao, mainly because of the grade scheme. His lectures are useless to go to, so just focus on the homework, the discussion, and the slides he posts. The final is either 100% of your grade or 70% (if you do better on the final the midterm is dropped) and as mentioned the grading is purely competitive. Our final average was a 63% or so, and an 80% got me an A- (my midterm was dropped). I think if you spend a lot of time on the practice exams you will be fine, but if you want to save yourself the stress try and take someone else.

Helpful?

0 0 Please log in to provide feedback.
Verified Reviewer This user is a verified UCLA student/alum.
Quarter: Winter 2024
Grade: A
March 29, 2024

i would say liao is a pretty good teacher to have for econ 41 compared to the others. he does have a very strong accent so it is difficult to understand him in class or over his recordings. he posts his lecture slides on canvas and the TAs post their discussions as well so i mainly did this class remotely and had no issue. liao creates reasonable, multiple-choice exams, unlike what i experienced in econ 11. the midterm was 30% and the final was 70%. his midterm was very easy and almost exactly like the practice midterm, if easier. it is 30 questions in 1 hour and 15 minutes, and i had time to triple check my answers and still turn it in early. the final was 51 questions and 2 hours, which was a huge time crunch, but still very similar to the practice final. the worst thing about this class is that he follows a grading structure of 25% A’s, 35% B’s, 25% C’s, and 15% fail, so no matter how good you do on the exams, you’re just competing against how well you did against your classmates. as long as you study and know how to do the practice finals you'll be good.

Helpful?

0 0 Please log in to provide feedback.
Verified Reviewer This user is a verified UCLA student/alum.
Quarter: Winter 2024
Grade: N/A
March 19, 2024

Ill go straight to the point: do not take this guy. If you can do yourself a favor of just taking 11 or 101 if there is no other professors the quarter you plan on taking 41. He's english is horrible so you wont understand anything, he only reads his slides which mostly have useless information for the class, you will only learn from viewing the office hours where he teaches how to solve the homework but not even with that you will learn the concepts. In this class you mainly learn only how to solve some of his problems, which even thought I spent over 1 month studying for the final, he gave us some new problems which with the little time (51 questions in 2 hours) is impossible to think how to solve this problems. I do not understand what is the point of doing this in order for most students to literally only answer half of the exam and getting your grade based on the curve. I had the final today, and the curve situation is that bad that my final grade can be between an F or an A as I can only hope that the rest of the class did horrible (which most likely they did as almost everyone had to guess at least 14 questions). If you say that this class is good, either you are an extreme nerd with no life or you just are kissing his a*s idk why. At least they say the curve is insane for this class.

Helpful?

0 0 Please log in to provide feedback.
Verified Reviewer This user is a verified UCLA student/alum.
Quarter: Fall 2024
Grade: DR
Jan. 19, 2024

I am both a native English and Mandarin speaker yet his accent was so difficult to understand. He does not explain much unless you ask and mostly reads off his slides and answer keys (when going through homework questions). My only saving grace was my TA, HanYan. The mid term was extremely easy, but the final was horrid. I did not know how to even approach at least 7 questions, and towards the end I was just estimating answers because of the time crunch. Do yourself a favour and look for a different class or professor to save yourself the stress.

Helpful?

0 0 Please log in to provide feedback.
Quarter: Winter 2023
Grade: C
May 4, 2023

Avoid at all cost. Good luck understanding his "ENGLISH". Only reads off from slides

Helpful?

0 0 Please log in to provide feedback.
1 of 3
2.7
Overall Rating
Based on 32 Users
Easiness 2.5 / 5 How easy the class is, 1 being extremely difficult and 5 being easy peasy.
Clarity 2.5 / 5 How clear the class is, 1 being extremely unclear and 5 being very clear.
Workload 3.4 / 5 How much workload the class is, 1 being extremely heavy and 5 being extremely light.
Helpfulness 3.0 / 5 How helpful the class is, 1 being not helpful at all and 5 being extremely helpful.

TOP TAGS

There are no relevant tags for this professor yet.

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