On Deficit Bias and Immigration

Michael Ben-Gad

Working Papers from Department of Economics, City University London

Abstract: How much can governments shift the cost of their expenditure from today's voters to tomorrow's generations of immigrants, without resorting to taxation that is explicitly discriminatory? I demonstrate that if their societies are absorbing continuous flows of new immigrants, we should expect governments that represent the interests of today's population to choose policies that shift some portion of the tax burden to the future, even if that population is altruistically linked to future generations. To measure the deficit bias, I analyse the dynamic behaviour of an optimal growth model with overlapping dynasties and factor taxation, calibrated for the US economy, and consider the welfare implications for today's population and their descendants of intertemporal shifts in the tax rates on labour and capital as well as transfer payments. Models with overlapping infinite-lived dynasties allow for a very clear distinction between natural population growth (an increase in the size of existing dynasties) and immigration (the addition of new dynasties). They also provide an alternative to the strict dichotomy between models with overlapping generations, where agents disregard the impact of their choices on future generations, and the quasi-Ricardian world of infinite-lived dynasties with representative agents that fully participate in both the economy and the political system in every period. The trajectory of the debt burden predicted by the model is a good match for the rise in US Federal Government debt since the early 1980's, as well as the increases in debt projected by the Congressional Budget Office over the next few decades.

Keywords: Immigration; Fiscal Policy; Public Debt (search for similar items in EconPapers)
Date: 2014
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