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Reverse Bayesianism: A Comment

By Christopher P. Chambers and Takashi Hayashi

American Economic Journal: Microeconomics, February 2018

Karni and Vierø (2013) present an interesting theory of decisions in the presence of new actions and consequences. We establish results on the observable implications of the model. When introducing new consequences, arbitrary preference reversals over fe...

Innovation, Reallocation, and Growth

By Daron Acemoglu, Ufuk Akcigit, Harun Alp, Nicholas Bloom, and William Kerr

American Economic Review, November 2018

We build a model of firm-level innovation, productivity growth, and reallocation featuring endogenous entry and exit. A new and central economic force is the selection between high- and low-type firms, which differ in terms of their innovative capacity. W...

Narrative Sign Restrictions for SVARs

By Juan Antolín-Díaz and Juan F. Rubio-Ramírez

American Economic Review, October 2018

We identify structural vector autoregressions using narrative sign restrictions. Narrative sign restrictions constrain the structural shocks and/or the historical decomposition around key historical events, ensuring that they agree with the established na...

Efficient Child Care Subsidies

By Christine Ho and Nicola Pavoni

American Economic Review, January 2020

We study the design of child care subsidies in an optimal welfare problem with heterogeneous private market productivities. The optimal subsidy schedule is qualitatively similar to the existing US scheme. Efficiency mandates a subsidy on formal child care...

The Evolution of Work in the United States

By Enghin Atalay, Phai Phongthiengtham, Sebastian Sotelo, and Daniel Tannenbaum

American Economic Journal: Applied Economics, April 2020

Using the text from job ads, we introduce a new dataset to describe the evolution of work from 1950 to 2000. We show that the transformation of the US labor market away from routine cognitive and manual tasks and toward nonroutine interactive and analytic...