Front Matter.

The given document is the front matter of the American Economic Review journal, published in March 2024. It includes a list of articles and authors featured in the issue, as well as information about the journal's editorial board and submission guidelines. The articles cover a range of topics, including the economics of the public option, the effect of macroeconomic uncertainty on household spending, optimal inference for spot regressions, the comparative statics of sorting, mental models and learning, hub-and-spoke cartels in the grocery industry, the effects of citizen participation on environmental governance in China, and the gender gap in confidence. The document also provides contact information for the journal's editorial offices and information about permissions and copyright. [Extracted from the article]