We study the temporal behavior of the cross-sectional distribution of assets' market exposure, or betas, using a large panel of high-frequency returns. The asymptotic setup has the sampling frequency of returns increasing to infinity, while the time span of the data remains fixed, and the...

Scandinavian countries are often portrayed in policy debates as model examples having shown how to square concerns for efficiency and equity. The core principle of the Scandinavian welfare model is an individual entitlement to public sector provisions combined with collective financing via...

This paper revisits the role played by myopia in generating a theoretical rationale for pay-as-you-go social security in dynamically efficient economies. Contrary to received wisdom, if the real interest rate is exogenously fixed, enough myopia may justify public pensions but never alongside...

Workfare policies are often introduced in labour market policies to improve the trade-off between incentives and insurance as an alternative to benefit reductions. Most of the debate on such policies has focussed on the direct effect of those participating in the scheme, and in particular the...

Even when labour mobility is low, international integration affectslabour markets by making jobs more mobile. This runs via product market integration, which is an essential element of European integration. Increasing job mobility aects the possibilities single countries perceive in pursuing...

Durables yield services through life but are also a store of value and both features may have important implications for savings and retirement decisions. Durables also affect bequests and thus induce intergenerational transfers. We show that allowing explicitly for durables has important...

The economic crisis has given rise to significant challenges to the welfare state. Given that welfare expenses account for a large proportion of all state spending in the member countries of the European Union, reducing government spending means cutting welfare measures. Yet social protection,...

Trend increases in longevity are a global phenomenon challenging the fiscal sustainability of current welfare arrangements. Policy proposals abound and often build on implicit assertions concerning intergenerational equity. This paper offers a simple but manageable OLG model with endogenous...