Debt and Growth

We generalize endogenous growth models, which often assume a closed-economy, to allow for international borrowing and lending. We incorporate a prominent feature of global financial markets, that the marginal cost of borrowing facing a small open economy is dependent on the “country risk” as perceived by international lenders. This interest rate premium is determined by the ratio between debts and country assets that can be used for debt collateral. Consequently, the cost of credit is jointly influenced by international financial parameters and by endogenous country policies and growth patterns. To highlight the implications of integrating international financial considerations into an otherwise real growth model, we first use the simplest (and arguably, the most popular) one-factor growth model, the AK one, and assume that all real factors of production can be used as collateral. The model yields long-run conditions under which the country becomes a borrower in international markets, remains closed or accumulates financial wealth. The model highlights the special conditions corresponding to the solution to an AK growth model, but the outcomes of the model are richer and perhaps more realistic than conventional endogenous growth solutions. However, extending the model to include another reproducible, non-collateral asset allows for transitional dynamics but does not change the basic insights derived using the simple one-factor model.


Issue Date:
Mar 01 2005
Publication Type:
Working or Discussion Paper
DOI and Other Identifiers:
Record Identifier:
https://ageconsearch.umn.edu/record/276261
Language:
English
Total Pages:
30
Series Statement:
ZEF – Discussion Papers on Development Policy No. 97




 Record created 2018-09-14, last modified 2020-10-28

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