Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/175501
Authors: 
León-Ledesma, Miguel A.
Moro, Alessio
Year of Publication: 
2016
Series/Report no.: 
School of Economics Discussion Papers 1604
Abstract: 
We use a two-sector model of structural transformation and balanced growth to show that the real interest rate, measured as the return on capital in units of GDP or in units of aggregate consumption, declines as income grows. This is due to the differential TFP growth in the goods producing sector relative to the services sector. This differential drives a relative price change that triggers a steady decline in the rate of return on capital along the growth path. We calibrate the model to U.S. data to reproduce the behavior of GDP, the share of services in consumption, the relative price goods/services and the investment/output ratio in the period 1950-2015. We find that the calibrated model displays a decline of the real interest rate of 36% in terms of units of GDP and of 43% in terms of units of aggregate consumption during the period considered.
Subjects: 
Structural transformation
productivity of capital
two-sector model
JEL: 
E22
E24
E31
O41
Document Type: 
Working Paper
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