Long-run convergence of ethnic skill differentials, revisited

In my original study, "Long-Run Convergence of Ethnic Skill Differentials," I concluded that the ethnic differentials introduced by the Great Migration seemed to persist into the second and third generations. Alba, Lutz, and Vesselinov argue that my study contained a number of conceptual and data problems, and conclude that the correlation between the skills of the first and the third generations disappears when these problems are taken into account. My reanalysis of the Alba et al. data, however, documents a stronger link between the skills of the first and the third generations than suggested by those authors.     

On regressing regression coefficients

This paper considers a regression model in which coefficients obtained from a previous regression are themselves the object of analysis. It is shown that the parameters of interest can be obtained in two ways: pooling across observations and subsamples, or a two-stage process of first estimating the coefficients within each subsample, and then using these coefficients as dependent variables in a second stage regression. The relative properties of these estimators are analyzed, and the conditions under which the two estimators are equivalent are derived.     

Immigrant skills and ethnic spillovers

This paper investigates the hypothesis that ethnicity has spillover effects on the human capital accumulation process. It extends previous research by documenting the extent to which the relative importance of parental inputs and ethnic spillovers in the intergenerational transmission of skills differs both within and across immigrant and U.S.-born ethnic groups. Using data drawn from the General Social Surveys, the study documents that the second and third generations (i.e., the children and grandchildren of immigrants) experience relatively more rapid economic advancement than do other generations, and that ethnic spillovers play a stronger role in households which are at the extremes of the skill distribution.Professor of Economics, University of California at San Diego, and Research Associate, National Bureau of Economic Research. This research was supported by grants from the Russell Sage Foundation and the National Science Foundation (Grant no. SES-9121538).     

CROSS‐COUNTRY VARIATION IN THE IMPACT OF INTERNATIONAL MIGRATION: CANADA,MEXICO, AND THE UNITED STATES

Using data drawn from the Canadian, Mexican, and U.S. censuses, we find a numerically comparable and statistically significant inverse relation between immigrant‐induced shifts in labor supply and wages in each of the three countries: A 10% labor supply shift is associated with a 3%–4% opposite‐signed change in wages. Despite the similarity in the wage response, the impact of migration on the wage structure differs significantly across countries. International migration narrowed wage inequality in Canada; increased it in the United States; and reduced the relative wage of workers at the bottom of the skill distribution in Mexico. (JEL: J31, J61)     

The labor supply of male Hispanic immigrants in the United States

"Several recent studies have begun the systematic analysis of the labor market characteristics of Hispanics in the United States. This research has focused on two related issues: a) how the immigration and assimilation experience affects Hispanic earnings; and b) the measurement of wage differentials between Hispanics and non-Hispanics. The main findings of this research are that the earnings of (some) Hispanic immigrants rise rapidly after immigration; and that the wage differential between Hispanics and non-Hispanic whites is generally due to differences in observable skill characteristics. This article extends previous research by focusing on another labor market characteristic: the labor supply of Hispanic immigrants."     

Experience with a multi-year fleet planning model

The fleet planning problem requires determination of the changing airline fleet mix based on existing traffic levels and projected growth, on the existing fleet, various aircraft types available in the future, and other operational and financial considerations. Several applicable mathematical formulations have been reported. One of these has been programmed for the computer and used by the authors for several years. This paper discusses the application of that model to real airline planning situations. Such practical experience has effected changes in the program and the manner it is used in fleet planning studies.     

Economic theory and international migration

The modern literature on the economics of immigration focuses on 3 related issues: 1) what determines the size and skill composition of immigrants flows to any particular host country; 2) how do the immigrants adapt to the host country's economy; and 3) what is the impact of immigrants on the host country's economy? This article reviews the theoretical framework and empirical evidence provided by the economics literature on these questions. It demonstrates that the economic approach, using the assumption that migration behavior is guided by the search for better economic opportunities and that the exchanges among the various players are regulated by an immigration market, leads to substantial insights in to these issues.     

Welfare Reform and Immigrant Participation in Welfare Programs

This article examines the impact of the 1996 welfare reform legislation on welfare use in immigrant households. Although the data indicate that the welfare participation rate of immigrants declined relative to that of natives at the national level, this national trend is entirely attributable to the trends in welfare participation in California. Immigrants living in California experienced a precipitous drop in their welfare participation rate (relative to natives). Immigrants living outside California experienced roughly the same decline in participation rates as natives. The potential impact of welfare reform on immigrants residing outside California was neutralized because many state governments responded to the federal legislation by offering state‐funded programs to their immigrant populations and because the immigrants themselves responded by becoming naturalized citizens. The very steep decline of immigrant welfare participation in California is harder to understand, but could be a by‐product of the changed political and social environment following the enactment of Proposition 187.

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The employment and wages of legalized immigrants

"This article analyzes the employment and wages of recently legalized immigrants [in the United States] using the Legalization Application Processing System (LAPS) file, an administrative file based on the individual records of amnesty applicants, and draws comparisons with a sample of the foreign-born population from the Current Population Surveys of 1983, 1986 and 1988. Compared to the total foreign-born population, the legalized immigrant population differs in four important respects that bear on labor market position: 1) a younger age structure; 2) a less balanced gender composition; 3) a greater representation of Latin Americans; and 4) few years of U.S. residence. LAPS data reveal high rates of labor force participation among legalized immigrants, which exceeded the rates of the foreign-born population by approximately 5 and 17 percent for men and women, respectively."