NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Jonas Heipertz

Paris School of Economics
48 Boulevard de Jourdan
75014 Paris
France

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org
Institutional Affiliation: Paris School of Economics

NBER Working Papers and Publications

July 2019The Transmission of Shocks in Endogenous Financial Networks: A Structural Approach
with Amine Ouazad, Romain Rancière: w26049
The paper uses bank- and instrument-level data on asset holdings and liabilities to identify and estimate a general equilibrium model of trade in financial instruments. Bilateral ties are formed as each bank selects the size and the diversification of its assets and liabilities. Shocks propagate due to the response, rather than the size, of bilateral ties to such shocks. This general equilibrium propagation of shocks reveals a financial network where the strength of a tie is determined by the sensitivity of an instrument’s return to other instruments’ returns. General equilibrium analysis predicts the propagation of real, financial and policy shocks. The network’s shape adjusts endogenously in response to shocks, to either amplify or mitigate partial equilibrium shocks. The network exhibit...
February 2018The New Fama Puzzle
with Matthieu Bussiere, Menzie D. Chinn, Laurent Ferrara: w24342
We re-examine the Fama (1984) puzzle – the finding that ex post depreciation and interest differentials are negatively correlated, contrary to what theory suggests – for eight advanced country exchange rates against the US dollar, over the period up to February 2016. The rejection of the joint hypothesis of uncovered interest parity (UIP) and rational expectations – sometimes called the unbiasedness hypothesis – still occurs, but with much less frequency. Strikingly, in contrast to earlier findings, the Fama regression coefficient is positive and large in the period after the global financial crisis. However, using survey based measures of exchange rate expectations, we find much greater evidence in favor of UIP. Hence, the main story for the switch in Fama coefficients in the wake of the ...
July 2017Balance-Sheet Diversification in General Equilibrium: Identification and Network Effects
with Amine Ouazad, Romain Rancière, Natacha Valla: w23572
The paper uses disaggregated data on asset holdings and liabilities to estimate a general equilibrium model where each institution determines the diversification and size of the asset and liability sides of its balance-sheet. The model endogenously generates two types of financial networks: (i) a network of institutions when two institutions share common asset or liability holdings or when an institution holds an asset that is the liability of another. In both cases demand/supply decisions by one institution affect the value of other institutions' holdings/liabilities, (ii) a network of financial instruments implied by the distribution of assets and liabilities within and across institutions. A change in the price of one asset induces change in demand/supply for all other assets, thus gene...
 
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