Depository receipts (DRs) are instruments issued in a foreign market representing ownership in the underlying securities on the home stock market. DRs are practically the same as the underlying stocks and we can analyze price adjustment between the underlying stocks and DRs under the law of one...

this paper introduces ests for conintegration breakdown that may occur over a relatively short time period, such as at the end of the sample. The breakdown may be due to a shift in the cointegrating vector or due to a shift in the errors from beging I(0) to being I(1). Tests are introduced based...