凭借AER宏文一战成名, 放弃复旦辗转芝加哥和香港的宋铮在JPE上发文了!
Kinda Hachem and Zheng Song, Liquidity Rules and Credit Booms, Journal of Political Economy, 2021, June This paper shows that liquidity regulation can trigger unintended credit booms in the presence of interbank market power. We consider a price-setter and a continuum of price-takers who trade reserves after the realization of idiosyncratic liquidity shocks. The price-takers are endogenously less liquid and circumvent regulation by engaging in shadow banking, which leads to a reallocation of funding away from the more liquid price-setter. This reallocation channel underlies the credit boom. Endogenous responses in bank liquidity ratios also affect the magnitude of the boom. We discuss extensions of the model and illustrate its quantitative performance with an application to China.
JPE:流动性监管和信贷繁荣
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Song, Zheng, Kjetil Storesletten, and Fabrizio Zilibotti. 2011. 'Growing Like China.' American Economic Review, 101 (1): 196-233. We construct a growth model consistent with China's economic transition: high output growth, sustained returns on capital, reallocation within the manufacturing sector, and a large trade surplus. Entrepreneurial firms use more productive technologies, but due to financial imperfections they must finance investments through internal savings. State-owned firms have low productivity but survive because of better access to credit markets. High-productivity firms outgrow low-productivity firms if entrepreneurs have sufficiently high savings. The downsizing of financially integrated firms forces domestic savings to be invested abroad, generating a foreign surplus. A calibrated version of the theory accounts quantitatively for China's economic transition.
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