Lecture notes, slides, and other writings

• Macroeconomics (first-year PhD textbook project) with Marina Azzimonti, Per Krusell, and Alisdair McKay.  Slides for the heterogeneous firms chapter

• "Explaining the Poisson Process," January 2024.

• "Relationship between Maximum Principle and Dynamic Programming," August 2023.

• "Why Does "Taking Log and Compute the Cyclical Component" Yield "Percentage Deviation from the Trend"?" February 2023.

• "Constraints in the Consumption-Saving Problem," December 2021.

• "Weitzman (1976)," November 2021.

• "Hulten's Theorem," August 2021.

• Materials for "Firm Dynamics and the Macroeconomy: Basics." University of Tokyo (graduate), July 2021. (clean slides 1) (annotated slides 1) (clean slides 2) (annotated slides 2) (clean slides 3) (annotated slides 3) (clean slides 4) (annotated slides 4) (slides for the paper)

• "Explaining the RBC Dynamics using the Continuous-Time Ramsey Model," March 2021.

• Materials for "Incomplete Market Models in Macroeconomics: Basics and Applications," University of Tokyo (graduate), December 2020.  (syllabus) (clean slides 1) (clean slides 2) (written slides 1) (written slides 2)

• "An Analytical Solution for the Solow Model," July 2020.

• "Clearing up My Confusion about the Monopolistic Competition Model," June 2020.

• "Diamond Overlapping Generations Model," April 2020, revised April 2023.

• "Transition Dynamics in the Aiyagari Model, with an Application to Wealth Tax," April 2020. (fortran codes: zip)

• "Computing the Krusell-Smith Model: A Personal Experience," May 2019. (fortran codes using IMSL) (fortran codes using Numerical Recipes)

• "Discrete Choice with Random Utility," April 2019, revised May 2019.

• "Statistics and Probability Theory," February 2019, revised April 2024.

• Materials for "Topics in Labor Market and Firm Dynamics," Keio University (graduate), July 2017. (slides 1) (slides 2-1) (slides 2-2) (slides 3) (HW1: zip) (HW2: zip)

• "Some Topics in Economic Growth," slides for a lecture at Keio University (undergrad), July 2017.

• "Reallocation and Firm Dynamics," slides for a lecture at ECUST (graduate), December 2016.

• "Lagrangian Method and Saddle Point," February 2016, revised April 2020.

• Materials for "Labor Market Frictions in New Keynesian Models," August 2013. (slides 1) (slides 2) (notes)

• "Macroeconomics from the Ground up (lecture 1) (lecture 2) (lecture 3)," slides for lectures at University of Calgary in March 2013.

• "Labor Market Flows: A Macroeconomic Perspective (part 1) (part 2) (part 3)," slides for a talk at RCAST, University of Tokyo in 2012 (separated into three because of the heavy files).

• "Welfare Evaluations of Policy Reforms with Heterogeneous Agents," slides for the keynote talk at the DSGE conference in Okinawa, 2011.

• "Macroeconomic Models of Heterogeneous Agents," slides for lectures at the Bank of Japan in 2008.

• "Recent Developments in Business Cycle Theory," slides for an undergraduate macro lecture at University of Tokyo in 2006.

• "Models of Wage Dynamics," written for the graduate labor economics course at Concordia University.