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Economic theory relating to imperfectly competitive product markets, input market, and welfare, with emphasis on applications. Includes an introduction to game theory.

Prerequisites: Economics 10A or 100A; and, Economics 5 or PSTAT 109 or PSTAT 120A.

4

Units

Letter

Grading

1, 2, 3

Passtime

None

Level Limit

Letters and science

College
Unlocks ECON 187 ECON 106 ECON 133 ECON 134A ECON 135 ECON 151
These majors only ecacc busec econ
Bree Lang
4.8
20 reviews
PHELP1444
W
08:00 AM - 08:50 AM
30 / 30 Full

PHELP1448
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09:00 AM - 09:50 AM
30 / 30 Full

PHELP1448
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17:00 PM - 17:50 PM
30 / 30 Full

PHELP1448
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18:00 PM - 18:50 PM
30 / 30 Full

PHELP1445
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17:00 PM - 17:50 PM
30 / 30 Full

PHELP1445
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18:00 PM - 18:50 PM
30 / 30 Full

PHELP1444
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18:00 PM - 18:50 PM
30 / 30 Full

PHELP1440
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19:00 PM - 19:50 PM
23 / 30

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Winter 2024 . Qin C Z Joergensen E
IV THEA1
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15:30 PM - 16:45 PM
Spring 2024 . Qin C Z
IV THEA1
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14:00 PM - 15:15 PM
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ECON 100B Lang B J Winter 2025 Total: 379
ECON 100B Qin C Z Spring 2025 Total: 349
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20
4.8
ECON100B . 6 Months Ago

Easily the best Econ professor I've had at UCSB (took her for ECON 194s). Articulate, personable, smart...and actually good at teaching. If every professor were like Bree, the department would be 10X better.

0 helpful 0 unhelpful
ECON100B . 6 Months Ago

Professor Lang is a great teacher if you attend the lecture. Some questions on the midterm and final were from the lecture slides. Would recommend!

0 helpful 0 unhelpful
ECON100B . 6 Months Ago

Professor Bree Lang is hands-down the BEST professor I have ever had. She wants to help you succeed, yet she still makes her tests challenging enough to push you. She is so caring and level-headed, and a hugely positive addition to the UCSB economics department. 100B is brutal no matter what, but any class is better if Bree Lang is teaching it.

0 helpful 0 unhelpful
ECON100B . 7 Months Ago

Best 100B professor to take

0 helpful 0 unhelpful
ECON100B . 7 Months Ago

Bree is super fun and I wanted to like her. Unfortunately her tests were designed VERY POORLY. Questions felt AI generated (numerous typos, only peripherally related to all the practice exams/in-class problems, zero review) and so grading came down to guessing strategy. I wish she gave us actually relevant / more material + improved her tests. :(

0 helpful 0 unhelpful
ECON100B . 8 Months Ago

Really good teacher and person. Practice problems she does in lecture are very similar (IN CONCEPT NOT PROBLEM) to exams

0 helpful 0 unhelpful
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