Reconciling "Rows Only" and "Columns Only" Coefficients in an Input-Output Model

Since Leontief’s pioneering work of the 1940’s, there has been a proliferation of input-output studies conducted at the regional level, largely because regional scientists have found that the input-output approach is a useful analytical device for examining a wide range of problems. Some have even claimed that for economic forecasting, input-output is superior to competing techniques. For example, Richardson [1972, 157] has stated: