implications. Structural changes in employment Economic structural changes impact also on employment. A developing economy typically reveals a high share of employment in the primary sector, while the share of employment in the tertiary sector is high in an advanced/developed economy. Testing econometric models for structural change Structural change tests are a type of econometric hypothesis test. They are used to verify the equality of coefficients across separate subsamples of a data set. See also Chow test Structural fix References Business cycle