Most labor scarce overseas countries moved decisively to restrict their immigration during the first third of the 20th century. This autarchic retreat from unrestricted and even publicly-subsidized immigration in the first global century before World War I to the quotas and bans introduced...

In the 1960s numerous cities in the United States experienced violent, race-related civil disturbances. Although social scientists have long studied the causes of the riots, the consequences have received much less attention. This paper examines census data from 1950 to 1980 to measure the...

Guided by a simple theory of task assignment and time allocation, we investigate the long run response to national differences in tax rates on labor income, payrolls and consumption. The theory implies that higher tax rates reduce work time in the market sector, increase the size of the shadow...

Mortality rates in the US fell more rapidly during the late 19th and early 20th Centuries than any other period in American history. This decline coincided with an epidemiological transition and the disappearance of a mortality "penalty" associated with living in urban areas. There is little...

This paper examines the contribution of Leonardo of Pisa [Fibonacci] to the history of financial mathematics. Evidence in Leonardo's Liber Abaci (1202) suggests that he was the first to develop present value analysis for comparing the economic value of alternative contractual cash flows. He also...

In order to encourage anti-drug policing, both the federal government and many state governments have enacted laws that allow police agencies to keep a substantial fraction of assets that they seize in drug arrests. By adjusting their own allocations to police budgets, however, county...

Cooper and Willis (2003) is the latest in a sequence of criticisms of our methodology for estimating aggregate nonlinearities when microeconomic adjustment is lumpy. Their case is based on reproducing' our main findings using artificial data generated by a model where microeconomic agents face...

An important element of the cost of distance is time taken in delivering final and intermediate goods. We argue that time costs are qualitatively different from direct monetary costs such as freight charges. The difference arises because of uncertainty. Unsynchronised deliveries can disrupt...

This paper analyzes the co-movement of the exchange rates and the stock prices from the viewpoint of contagion among the eight countries in the region during the period of Asian currency crisis, 1997-1999. Ito and Hashimoto (2002; NBER working paper) proposed a new definition of high-frequency...

This paper examines how phased retirement plans in higher education create value for both the institution and individual faculty, based upon evidence from the Survey of Changes in Faculty Retirement Policies and an in-depth case study of the University of North Carolina system. Faculty benefit...