To study equilibrium interactions between wealth accumulation and labor market search, this paper constructs a model where individuals can accumulate noncontingent assets under a borrowing limit, all workers can search for jobs, and search is directed. On-the-job search generates a wage ladder, which affects inequalities in earnings, wealth and consumption. Employed workers have incentive to save as a precaution for exogenous separation into unemployment. In the reverse direction, wealth and earnings affect search decisions by changing the optimal tradeoff between the wage and the matching probability. The calibrated model reveals that wealth significantly reduces a worker's transition rates from unemployment to employment and from one job to another. Moreover, search frictions increase wealth inequality significantly by increasing the mass of wealthy individuals and lengthening the right tail of the wealth distribution. However, the effect of wealth on job search widens frictional wage dispersion by only a small amount. In addition, on-the-job search is important for frictional wage dispersion.
How do credit default swaps (CDS) affect sovereign debt markets? The answer depends crucially on trading frictions, risk-sharing, arbitrage violations, and spillovers from secondary to primary markets. We propose a sovereign default model where investors trade bonds and CDS over the counter via directed search. CDS affect bond prices through several channels. First, CDS act as a synthetic bond. Second, CDS reduce bond-investing risks, allowing exposure to be unwound. Third, CDS availability increases trading profitability, which induces entry and reduces trading costs. Last, these direct effects feedback into default decisions. Our novel identification strategy exploits confidential microdata to quantify the extent of trading frictions and risk-sharing. The model generates realistic CDS-bond basis deviations, bid/ask spreads, and CDS volumes and positions. Our baseline specification predicts large effects of frictions generally but small spillovers from a naked CDS ban. These predictions hinge crucially on the identified parameters.
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