“...Substantial uncertainty exists regarding the causal effect of health insurance on the utilization of care. We exploit a sharp change in insurance coverage...”

“...This paper studies the relationship between operational costs and state ownership in Indian railways between 1874 and 1912. We find the move to state ownership...”

“...This paper examines the effect of exogenous shocks to savings on world capital markets. Exogenous tax increases in the United States (from Romer and Romer...”

“...Balanced budget requirements lead to substantial pro-cyclicality in state government spending, with the stringency of a state's rules driving the pace at which...”

“...We present evidence from nearly 14,000 American Red Cross blood drives and from a natural field experiment showing that economic incentives have a positive...”

“...The link between taxes and occupational choices is central for understanding the welfare impacts of income taxes. Just as taxes distort the labor-leisure...”

“...I argue that, on theoretical grounds, the discretionary component of taxation should be allowed to have different effects than the automatic response of tax...”

“...During the last quarter of 2008, financial losses in state pension funds varied from 12 percent to 68 percent of the revenue generated by the state government...”

“...The transportation sector is a major source of air pollution worldwide, yet little is known about the effects of transportation infrastructure on air quality...”

“...Many developed countries are currently considering a move toward subsidized, widely accessible child care or preschool. However, studies on how large-scale...”