ABSTRACT
"This paper examines the impact of a college or military installation in a [U.S.] metropolitan area on the age structure of the migration for the area. We find that the presence of such institutions causes significant and systematic impacts on age patterns of in- and out-migration that may not be obvious a priori. Failure to account for these effects in studies of gross migration (whether or not aggregated over age groups), or of net migration by age, will typically lead to bias or to inefficiency in the results, depending on the techniques of analysis used."
Subject(s)
Age Distribution , Age Factors , Military Personnel , Population Dynamics , Research , Statistics as Topic , Students , Urban Population , Americas , Demography , Developed Countries , Education , Emigration and Immigration , Government , North America , Politics , Population , Population Characteristics , United StatesABSTRACT
There is an urgent and growing need for population projections that are not only detailed by geographic unit, but are also detailed by demographic characteristics. A high level of disaggregation allows the planner considerable flexibility to aggregate the projected data in a variety of geographic and demographic configurations. This study reports on the methodology and results of the Massachusetts experience in developing detailed population projections. Combining conventional with some not-so-conventional techniques, population projections are developed for 351 geographic units, as well as 108 demographic categories. The projections are currently in use in a large variety of public and private planning activities.
Subject(s)
Catchment Area, Health , Demography , Forecasting/methods , Models, Statistical , Population Dynamics , Fertility , Geography , Massachusetts , Survival RateABSTRACT
"The purpose of this study is to examine a model of the decision to migrate between regions and/or industries and its effect on earnings. The study is based on a large set of individual microdata taken from the [U.S.] Social Security Administration's One Percent Continuous Work History Sample." The data are for 1971 and 1973. "Results of estimation provide strong support for the hypothesis of self-selection among region and industry migrants. Additional empirical evidence supports the notion of comparative advantage in migrant earnings, implying that earnings distributions of individuals who made a particular combination of migration decisions may differ from those of the population as a whole."
