NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Working Papers by Mireia Jofre-Bonet

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Working Papers

December 2004Tobacco Spending and its Crowd-Out of Other Goods
with Susan H. Busch, Tracy A. Falba, Jody L. Sindelar: w10974
Smoking is an expensive habit. Smoking households spend, on average, more than $1000 annually on cigarettes. For households in which some members smoke, smoking expenditures crowd-out other purchases, which may affect other household members, as well as the smoker. We empirically analyze how expenditures on tobacco crowd out consumption of other goods, estimating the patterns of substitution between tobacco products and other expenditures. We use the Consumer Expenditure Survey (1995 to 2001), which we complement with regional price data, and state cigarette prices. We estimate a consumer demand system of expenditures on cigarettes, food, alcohol, housing, apparel, transportation, medical care and controls for socio-economic variables and other sources of observable heterogeneity. Descript...
July 2002Drug Treatment as a Crime Fighting Tool
with Jody L. Sindelar: w9038
Drugs and crime are known to be correlated, but the direction of causality and the magnitude of the relationship have not been well established. We take a new approach to estimating this relationship and examine a little used, multi-site dataset of 3,500 inner-city drug users entering treatment. We analyze the change in crime and in drug use pre and post treatment, controlling for other covariates. We take first differences to address omitted variable problems. For our sample, we find that treatment reduces drug use which, in turn, reduced drug decreases crime. Reduced drug use due to treatment is associated with 54% fewer days of crime for profit, ceteris paribus. Our evidence suggests that, reduced drug use is causally related to reduced crime. This finding is robust to different spec...
December 2001Estimation of a Dynamic Auction Game
with Martin Pesendorfer: w8626
This paper proposes an estimation method for a repeated auction game under the presence of capacity contraints. The estimation strategy is computationally simple as it does not require solving for the equilibrium of the game. It uses a two stage approach. In the first stage the distribution of bids conditional on state variables is estimated using data on bids, bidder characteristics and contract characteristics. In the second stage, an expression of the expected sum of future profits based on the distribution of bids is obtained, and costs are inferred based on the first order condition of optimal bids. We apply the estimation method to repeated highway construction procurement auctions in the state of California between May 1996 and May 1999. In this market, previously won uncompleted co...

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