nep-ias New Economics Papers
on Insurance Economics
Issue of 2015‒06‒27
six papers chosen by
Soumitra K. Mallick
Indian Institute of Social Welfare and Business Management

  1. Insuring against Health Shocks: Health Insurance and Household Choices By Liu, Kai
  2. The Welfare Effects of Supply-Side Regulations in Medicare Part D By Francesco Decarolis; Maria Polyakova; Stephen P. Ryan
  3. Redistribution and Insurance with Simple Tax Instruments By Findeisen, Sebastian; Sachs, Dominik
  4. Redistribution and Insurance with Simple Tax Instruments By Findeisen, Sebastian; Sachs, Dominik
  5. Coupling direction of the European Banking and Insurance sectors using inter-system recurrence networks By Peter Martey Addo
  6. Hospitals as Insurers of Last Resort By Craig Garthwaite; Tal Gross; Matthew J. Notowidigdo

  1. By: Liu, Kai (Norwegian School of Economics)
    Abstract: This paper provides empirical evidence on the role of public health insurance in mitigating adverse outcomes associated with health shocks. Exploiting the rollout of a universal health insurance program in rural China, I find that total household income and consumption are fully insured against health shocks even without access to health insurance. Household labor supply is an important insurance mechanism against health shocks. Access to health insurance helps households to maintain investment in children's human capital during negative health shocks, which suggests that one benefit of health insurance could arise from reducing the use of costly smoothing mechanisms.
    Keywords: China, health insurance, health shock
    JEL: D1 O1 I1
    Date: 2015–06
    URL: http://d.repec.org/n?u=RePEc:iza:izadps:dp9094&r=ias
  2. By: Francesco Decarolis; Maria Polyakova; Stephen P. Ryan
    Abstract: The efficiency of publicly-subsidized, privately-provisioned social insurance programs depends on the interaction between insurer behavior and public subsidies. We study this interaction within Medicare Part D Prescription Drug Plan (PDP) markets. Using a structural model of supply and demand, we find: consumers purchase too few and too socially-costly PDP plans; insurers price near marginal cost; the primary driver of welfare is the opportunity cost of government spending on other Medicare programs; and the current subsidization policy achieves a level of total welfare close to that obtained under an optimal in-kind subsidy, but is far from the social planner's first-best solution.
    JEL: H2 H4 I11 I18 L1 L2
    Date: 2015–06
    URL: http://d.repec.org/n?u=RePEc:nbr:nberwo:21298&r=ias
  3. By: Findeisen, Sebastian (University of Mannheim); Sachs, Dominik (University of Cologne)
    Abstract: We analyze optimal taxation of labor and capital income in a life-cycle framework with idiosyncratic income risk. We provide a novel decomposition of labor income tax formulas into a redistribution and an insurance component. The latter is independent of the social welfare function and determined by the degree of income risk and risk aversion. The optimal linear capital tax is non-zero and trades off redistribution and insurance against savings distortions. Our quantitative results reveal that the insurance component contributes significantly to optimal labor tax rates and provides an informative lower bound on optimal taxes: even for welfare functions that do not value redistribution, marginal tax rates are positive for all income levels. Optimal capital taxes are significant and yield sizable welfare gains; in particular if labor income taxes are suboptimal.
    Keywords: optimal taxation, capital taxation, redistribution, insurance
    JEL: H21 H23
    Date: 2015–06
    URL: http://d.repec.org/n?u=RePEc:iza:izadps:dp9123&r=ias
  4. By: Findeisen, Sebastian; Sachs, Dominik
    Abstract: We analyze optimal taxation of labor and capital income in a life-cycle framework with idiosyncratic income risk. We provide a novel decomposition of labor income tax formulas into a redistribution and an insurance component. The latter is independent of the social welfare function and determined by the degree of income risk and risk aversion. The optimal linear capital tax is non-zero and trades off redistribution and insurance against savings distortions. Our quantitative results reveal that the insurance component contributes significantly to optimal labor tax rates and provides an informative lower bound on optimal taxes: even for welfare functions that do not value redistribution, marginal tax rates are positive for all income levels. Optimal capital taxes are significant and yield sizable welfare gains; in particular if labor income taxes are suboptimal.
    Keywords: Capital Taxation; Insurance; Optimal Taxation; Redistribution
    JEL: H21 H23
    Date: 2015–06
    URL: http://d.repec.org/n?u=RePEc:cpr:ceprdp:10668&r=ias
  5. By: Peter Martey Addo (Centre d'Economie de la Sorbonne)
    Abstract: Modern financial systems exhibit a high degree of interdependence making it difficult in predicting. This has raise concerns on the correct identification of coupling direction in financial sectors of the economy. This study explores a “two-way” risk connection between the European banking and insurance sector based on geometrical closeness of observations. Specifically, the study looks at the inter-system recurrence networks in tracing dynamical transitions and detecting coupling direction between these sectors. The overall results shows that the banking sector is central in risk transmission compared to the insurance sector. A comprehensive discussion of the feasibility and relevance of the approach in studying systemic risk is provided
    Keywords: Financial institutions; Recurrence networks; Systemic risk; Recurrence plots
    JEL: C40 E50 G01 G20
    Date: 2015–06
    URL: http://d.repec.org/n?u=RePEc:mse:cesdoc:15051&r=ias
  6. By: Craig Garthwaite; Tal Gross; Matthew J. Notowidigdo
    Abstract: American hospitals are required to provide emergency medical care to the uninsured. We use previously confidential hospital financial data to study the resulting uncompensated care, medical care for which no payment is received. We use both panel-data methods and case studies from state-wide Medicaid disenrollments and find that the uncompensated care costs of hospitals increase in response to the size of the uninsured population. The results suggest that each additional uninsured person costs local hospitals $900 each year in uncompensated care. Similarly, the closure of a nearby hospital increases the uncompensated care costs of remaining hospitals. Increases in the uninsured population also lower hospital profit margins, which suggests that hospitals cannot simply pass along all increased costs onto privately insured patients. For-profit hospitals are less affected by these factors, suggesting that non-profit hospitals serve a unique role as part of the social insurance system.
    JEL: H51 I11
    Date: 2015–06
    URL: http://d.repec.org/n?u=RePEc:nbr:nberwo:21290&r=ias

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