This paper reports overwhelming evidence against the hypothesis that the federal funds rate follows a martingale over the 2-week reserve maintenance period, establishing that banks do not regard reserves held on different days of the week to be perfect substitutes. A theoretical model of the federal funds market is proposed that could account for these empirical regularities as the result of line limits, transaction costs, and weekend accounting conventions. The paper concludes that such transaction costs lie at the heart of the liquidity effect that enables the Federal Reserve to change the interest rate on a daily basis.

This paper studies the considerably higher level of wage inequality in the United States than in nine other OECD countries. We find that the greater overall U.S. wage dispersion primarily reflects substantially more compression at the bottom of the wage distribution in the other countries. While differences in the distribution of measured characteristics help to explain some aspects of the international differences, higher U.S. prices (i.e., rewards to skills and rents) are an important factor. Labor market institutions, chiefly the relatively decentralized wage-setting mechanisms in the United States, provide the most persuasive explanation for these patterns.

This paper reports overwhelming evidence against the hypothesis that the federal funds rate follows a martingale over the two-week reserve maintenance period, establishing that banks do not regard reserves held on different days of the week to be perfect substitutes. A theoretical model of the federal funds market is proposed that could account for these empirical regularities as the result of line limits, transaction costs, and weekend accounting conventions. The paper concludes that such transaction costs lie at the heart of the liquidity effect that enables the Federal Reserve to change the interest rate on a daily basis.

This paper studies the considerably higher level of wage inequality in the United States than in nine other OECD countries. The authors find that the greater overall U.S. wage dispersion primarily reflects substantially more compression at the bottom of the wage distribution in the other countries. While differences in the distribution of measured characteristics help to explain some aspects of the international differences, higher U.S. prices (i.e., rewards to skills and rents) are an important factor. Labor market institutions, chiefly the relatively decentralized wage-setting mechanisms in the United States, provide the most persuasive explanation for these patterns.