ECO351 · Fall 2026 · Lecture 22 supplement practice
Panel Data and Fixed Effects - Supplement
Chapter 10 · Preparing a two-date panel
Check identifiers and distinguish reshaping from changing the observations.
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.