CPI’s core problem

.....Renu Kohli has, both today as well as earlier, raised some important questions about the quality of data. Why should the CPI series for rural and urban inflation converge when both the rates of inflation as well as the weights of various commodity baskets are so completely different in rural and urban areas? Intriguingly, this convergence in inflation trends applies to the sub-components of CPI inflation as well; it is difficult to understand, similarly, why ‘bedding and clothing’ inflation in core-CPI should be rising on average 15% since January 2012..........

Read - FE