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Working Paper
Taxation, entrepreneurship, and wealth
Entrepreneurship is a key determinant of investment, saving, and wealth inequality. We study the aggregate and distributional effects of several tax reforms in a model that recognizes this key role and that matches the large wealth inequality observed in the U.S. data. The aggregate effects of tax reforms can be particularly large when they affect small and medium-sized businesses, which face the most severe financial constraints, rather than big businesses. The consequences of changes in the estate tax depend heavily on the size of its exemption level. The current effective estate tax system ...
Working Paper
Taxation, entrepreneurship and wealth
Entrepreneurship is a key determinant of investment, saving, wealth holdings, and wealth inequality. We study the aggregate and the distributional effects of several tax reforms in a model that recognizes the key role played by the entrepreneurs, and that matches very well the extreme degree of wealth inequality observed in the U.S. data. We find that the effects of tax reforms on output and capital formation can be particularly large when they affect the majority of small and medium-size businesses, which face the most severe financial constraints, rather than a small number of big ...
Journal Article
Consumption and the Great Recession
In 2009, Medicaid spent over $75 billion on 5.3 million elderly beneficiaries. This article describes the Medicaid rules for the elderly and discusses their economic implications.
Working Paper
Why Do Couples and Singles Save During Retirement?
While the savings of retired singles tend to fall with age, those of retired couples tend to rise. We estimate a rich model of retired singles and couples with bequest motives and uncertain longevity and medical expenses. Our estimates imply that while medical expenses are an important driver of the savings of middle-income singles, bequest motives matter for couples and high-income singles, and generate transfers to non-spousal heirs whenever a household member dies. The interaction of medical expenses and bequest motives is a crucial determinant of savings for all retirees. Hence, to ...
Working Paper
Differential mortality, uncertain medical expenses, and the saving of elderly singles
People have heterogenous life expectancies: women live longer than men, rich people live longer than poor people, and healthy people live longer than sick people. People are also subject to heterogenous out-of-pocket medical expense risk. We show that all of these dimensions of heterogeneity are large for the elderly. Can these factors explain their lack of asset decumulation even at very advanced ages and the high saving rate of the income-rich elderly? We answer this question in two steps. We first estimate the uncertainty about mortality and outof pocket medical expenditures as functions ...
Working Paper
Entrepreneurship, frictions and wealth
Although the role of financial constraints on entrepreneurial choices has received considerable attention, the effects of these constraints on aggregate capital accumulation and wealth inequality are less known. Entrepreneurship is an important determinant of capital accumulation and wealth concentration and, conversely, the distribution of wealth affects entrepreneurial choices in presence of borrowing constraints. We construct a model that matches wealth inequality very well, both for entrepreneurs and non-entrepreneurs, and find that more restrictive borrowing constraints generate less ...
Journal Article
Evidence on entrepreneurs in the United States: data from the 1989–2004 survey of consumer finances
Using data from the Federal Reserve Board?s Survey of Consumer Finances, the authors examine characteristics of entrepreneurs and the businesses they run. Their analysis confirms that business owners are important sources of saving and wealth creation in the U.S. and that they are less risk averse than other wealthy households. This discounts the notion that the wealth of entrepreneurs disproportionately reflects a buildup of precautionary balances to guard against financial risk.
Journal Article
Medical Spending, Bequests, and Asset Dynamics around the Time of Death
Using data from the Health and Retirement Survey, we document the changes in assets that occur before a person's death. Applying an event study approach, we find that during the six years preceding their deaths, the assets of single decedents decline, relative to those of similar single survivors, by an additional $20,000 on average. Over the same time span, the assets of couples who lose a spouse fall, relative to those of similar surviving couples, by an additional $90,000 on average. Households experiencing a death also incur higher out-of-pocket medical spending and other end-of-life ...
Working Paper
Why Does Consumption Fluctuate in Old Age and How Should the Government Insure it?
In old age, consumption can fluctuate because of shocks to available resources and because health shocks affect utility from consumption. We find that even temporary drops in income and health are associated with drops in consumption and most of the effect of temporary drops in health on consumption stems from the reduction in the marginal utility from consumption that they generate. More precisely, after a health shock, richer households adjust their consumption of luxury goods because their utility of consuming them changes. Poorer households, instead, adjust both their necessary and luxury ...