Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/153222
Authors: 
Huang, Rocco
Year of Publication: 
2007
Series/Report no.: 
ECB Working Paper 788
Abstract: 
This paper proposes a new methodology to evaluate the economic effect of statespecific policy changes, using bank-branching deregulations in the U.S. as an example. The new method compares economic performance of contiguous counties on opposite sides of state borders, where on one side restrictions on statewide branching were removed relatively earlier, to create a natural “regression discontinuity” setup. The study uses a total of 285 pairs of contiguous counties along 38 segments of such regulation change borders to estimate treatment effects for 23 separate deregulation events. To distinguish real treatment effects from those created by data-snooping and spatial correlations, fictitious placebo deregulations are randomized (permutated) on another 32 segments of non-event borders to establish empirically a statistical table of critical values for the estimator. The method determines that statistically significant growth accelerations can be established at a > 90% confidence level in five out of the 23 deregulation events examined. “Hinterland counties” within the still-regulated states, but farther away from the state borders, are used as a second control group to consider and reject the possibility that cross-border spillover of deregulation effects may invalidate the empirical design.
Subjects: 
Banking Deregulation
Economic Growth
Regression discontinuity
JEL: 
G21
G28
O43
Document Type: 
Working Paper

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