Tests of Covered Interest Rate Parity

ECEN’FLY there has been considerable interest in and investigations of whether the covered interest parity (CIP) holds. At the inicroeconomic level, CIP is important because is it a direct consequence of covered interest arbitrage. Its failure to hold would suggest 1) that markets are inefficient in the sense that traders do not take advantage of known profit opportunities, 2) that legal restrictions and regulations, such as capital controls, exist or 3) that costs have been unaccounted for, such as individual borrowing constraints or differences in political risks across countries.’