ECO351 · Fall 2026 · Lecture 20 practice
Nonlinear Applications and an Introduction to IV
Chapters 8 and 12 · Nonlinear comparisons and endogenous prices
Finish the fitted contrast, then ask where the regressor variation came from.
Work out an answer before checking. Calculation and choice questions give immediate feedback and a worked solution. For explanations, compare your answer with the checklist. The last task lets you change the case and try again.
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Explore the example
Change the values or the scenario, then answer for the case shown. Changing a setting clears this task’s previous attempt.