Via Sallustiana, 62 00187
Institutional Affiliations: EIEF and CEPR
NBER Working Papers and Publications
|May 2020||Savings and Saving Rates: Up or Down?|
with Guillermo Ordoñez: w27179
It depends what we want to measure. Most literature has focused on observed flow of savings (per-period savings as fraction of GDP), which has declined persistently since 1980. Even though this decline means that fewer funds are available for investment in each period, it does not follow that the households’ actual savings (underlying, not observed, savings determined by dynamic optimization) also go down. We theoretically link these two concepts, discuss the conditions under which they move in opposite directions, and show that indeed the actual savings has sharply increased since 1980.
|October 2019||Retirement in the Shadow (Banking)|
with Guillermo Ordoñez: w26337
The U.S. economy has recently experienced two, seemingly unrelated, phenomena: a large increase in post-retirement life expectancy and a major expansion in securitization and shadow banking activities. We argue they are intimately related. Agents rely on financial intermediaries to save for post-retirement consumption. When expecting to live longer, they rely more heavily on intermediaries that use securitization, with riskier but higher returns. A quantitative evaluation of the model shows the potential of the demographic transition to account for a boom in credit and output, but only when it triggers a more extensive use of securitization and shadow banking.
|September 2008||Costly Financial Intermediation in Neoclassical Growth Theory|
with Rajnish Mehra, Edward C. Prescott: w14351
The neoclassical growth model is extended to include costly intermediated borrowing and lending between households. This is an important extension as substantial resources are used in intermediating the large amount of borrowing and lending between households. In 2007, in the United States, the amount intermediated was 1.7 times GNP, and the resources used in this intermediation amounted to at least 3.4 percent of GNP. The theory implies that financial intermediation services are an intermediate good and that the spread between borrowing and lending rates measures the efficiency of the financial sector.
Published: Rajnish Mehra & Facundo Piguillem & Edward C. Prescott, 2011. "Costly financial intermediation in neoclassical growth theory," Quantitative Economics, Econometric Society, vol. 2(1), pages 1-36, 03. citation courtesy of