We provide a model of rational bubbles in a DNK framework. Entrepreneurs are heterogeneous in investment efficiency and face credit constraints. They can trade bubble assets to raise their net worth. The bubble assets command a liquidity premium and can have a positive value. Monetary policy affects the conditions for the existence of a bubble, its steady-state size, and its dynamics including ...

This paper assumes that a subjective discount factor is affected by an average level of investment in future-oriented resources in an economy (investment externalities) in addition to a level of individual investment in future-oriented resources. Under this assumption, this paper considers a maximization problem formulated as a pseudo planning problem and shows the conditions under which equili...

We look at two countries that have independent fundamentals, but share the same group of investors. Each country might face a self-fulfilling crisis: Agents withdrawing their investments fearing that others will. A crisis in one country reduces agents’ wealth. This makes them more averse to the strategic risk associated with the unknown behavior of other agents in the second country, increasing...

In this paper we study the cyclical behavior of job and worker flows. Wefindfor the Netherlands that employment and unemployment flows are large, relative to the stocks, that both the sum ofemployment in and outflow and the sum of job creation and destruction (je and jd) move countercyclical. Other issues that we examined include the importance ofaggregate vs. sectoral shocks, the persistence o...

in the era of globalization, particularly, since early 1990s, economies around the world have been affected considerably by co-movements in one or more countries. in the literature this phenomenon is recognized as synchronization in business cycles, while joint policies being conducted by trading partners can modify such effects properly. the objective of this paper has been to evaluate a possi...

The empirical success of Real Business Cycle (RBC) models is often judged by their ability to explain the behavior of a multitude of real macroeconomic variables using a single exogenous shock process. This paper shows that in a model with the same basic structure as the bare bones RBC model, monetary, cost-push or preference shocks are equally successful at explaining the behavior of macroecon...

This paper presents two dynamic models of the economy in which credit constraints arise because creditors cannot force debtors to repay debts unless the debts are secured by collateral. The credit system becomes a powerful propagation mechanism by which the effects of shocks persist and amplify through the interaction between collateral values, borrowers' net worth and credit limits. In particu...

In the context of a standard equilibrium matching framework, this paper considers how a duration-dependent unemployment insurance (UI) system affects the dynamics of unemployment and wages in an economy subject to stochastic job-destruction shocks. It establishes that re-entitlement effects induced by a finite duration UI program generate intertemporal transfers from firms that hire in future b...

We show that if policymakers compute the optimal unconstrained interest-rate rule within a Taylor-type class, they may be led to rules that generate indeterminacy and/or instability under learning. This problem is compounded by uncertainty about structural parameters since an optimal rule that is determinate and stable under learning for one calibration may be indeterminate or unstable under le...

Using a time series framework, the paper studies the interactions of the annual real per capita GDP data of the G7 countries. We find evidence of six common nonstationary processes behind the international output dynamics. In addition, there is evidence for the existence of a common business cycle among these countries. The trend and cycle components of each output series are obtained with a pr...