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Author:Wang, Cheng 

Working Paper
Quantifying the impact of financial development on economic development

How important is financial development for economic development? A costly state verification model of financial intermediation is presented to address this question. The model is calibrated to match facts about the U.S. economy, such as intermediation spreads and the firm-size distribution for the years 1974 and 2004. It is then used to study the international data, using cross-country interest-rate spreads and per-capita GDP. The analysis suggests a country like Uganda could increase its output by 140 to 180 percent if it could adopt the world's best practice in the financial sector. Still, ...
Working Paper , Paper 10-05

Working Paper
Financing development : the role of information costs

To address how technological progress in financial intermediation affects the economy, a costly-state verification framework is embedded into the standard growth model. The framework has two novel features. First, firms differ in the risk/return combinations that they offer. Second, the efficacy of monitoring depends upon the amount of resources invested in the activity. A financial theory of firm size results. Undeserving firms are over financed, deserving ones underfunded. Technological advance in intermediation leads to more capital accumulation and a redirection of funds away from ...
Working Paper , Paper 08-08

Working Paper
Equilibrium lending mechanism and aggregate activity

This paper develops a model of the credit market where the equilibrium lending mechanism, as well as the economy's aggregate investment and output, are endogenously determined. It focuses on two crucial elements. One is the micro theory of optimal lending mechanism. Instead of imposing a particular lending contract form exogenously, we solve for the optimal contract between a borrower and a lender designed to circumvent adverse-selection and moral-hazard problems in the model environment. The other important element is the effect of credit market condition on the lending mechanism. We embed ...
Working Paper Series , Paper WP-00-30

Working Paper
Repeated insurance relationships in a costly state verification model: with an application to deposit insurance

We consider the problem of an insurer who enters into a repeated relationship with a set of risk averse agents in the presence of ex post verification costs. The insurer wishes to minimize the expected cost of providing these agents a certain expected utility level. We characterize the optimal contract between the insurer and the insured agents. We then apply the analysis to the provision of deposit insurance. Our results suggest - in a deposit insurance context - that it may be optimal to utilize the discount window early on, and to make deposit insurance payments only later, or not at all.
Working Papers , Paper 574

Working Paper
Quantifying the impact of financial development on economic development

How important is financial development for economic development? A costly state verification model of financial intermediation is presented to address this question. The model is calibrated to match facts about the U.S. economy, such as intermediation spreads and the firm-size distribution for the years 1974 and 2004. It is then used to study the international data, using cross-country interest-rate spreads and per-capita GDP. The analysis suggests a country like Uganda could increase its output by 140 to 180 percent if it could adopt the world?s best practice in the financial sector. Still, ...
Working Papers , Paper 2010-023

Working Paper
Financing development: the role of information costs

To address how technological progress in financial intermediation affects the economy, a costly state verification framework is embedded into the standard growth model. The framework has two novel ingredients. First, firms differ in the risk/return combinations that they offer. Second, the efficacy of monitoring depends upon the amount of resources invested in the activity. A financial theory of firm size results. Undeserving firms are over financed, deserving ones under funded. Technological advance in intermediation leads to more capital accumulation and a redirection of funds away from ...
Working Papers , Paper 2010-024

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