The Dynamics of Agricultural Contribution to Economic Growth — Comment

1992 ◽  
Vol 21 (1) ◽  
pp. 69-73
Author(s):  
Addington Coppin
Keyword(s):  
Economic Growth ◽  
Growth Rate ◽  
Rate Data ◽  
Average Growth Rate ◽  
Annual Average ◽  
Average Growth ◽  
Analytical Errors ◽  
Annual Average Growth Rate

This note points out several analytical errors in two recent articles by Edward Nissan on the agricultural contribution to economic growth in various economies. Inter alia, Nissan inappropriately employs annual average growth rate data, end-of-period output shares, and geometric “weights” in some of his calculations. In light of these errors, Nissan's results should, where possible, be recalculated.

More on the Dynamics of Agricultural Contribution to Economic Growth — Reply

1992 ◽  
Vol 21 (1) ◽  
pp. 75-81
Author(s):  
Edward Nissan
Keyword(s):  
Economic Growth ◽  
Growth Rate ◽  
Entire Period ◽  
Rate Data ◽  
Average Growth Rate ◽  
Annual Average ◽  
Average Growth ◽  
Period Data ◽  
Annual Average Growth Rate

In his note on my recent two articles in this journal, Professor Addington Coppin states that the results obtained for estimating agricultural contribution to economic growth in various economies are sensitive to employing annual average growth rate data, end-of-period output shares, and geometric “weights” in some of the calculations. He suggests that the results would have been more accurate by employing (1) simple percentage changes in the level variables over the entire period of consideration; (2) beginning-of-period data on output shares; and (3) arithmetic weights. This reply addresses the logic and correctness of the approach undertaken in my research that strengthen the confidence in the results offered in my articles.

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