... change in the postal savings share in the later period is 0.37, also significant at the 1% level. The coefficients are 0.16 for the 192 0s case and 0.55 in the 193 0s case. A similar regression using ... savings occurred during the 192 0s and early 193 0s: Ascan be seen in Chart 9 below, their share of total household savings deposits more thandoubled to 20% in the decade to 193 1. The savings ... and savingsdeposits in the U.S. banking system, and 7 1/2% of deposits at those institutions thatspecialized in taking household savings. 19 This interesting episode is well described in the 197 9...