Appendix 6 181 



Appendix Table 6. A: 1960 Cross-section (36 Observations) 



Aggregate Per farm Per capita 



Regression 



Constant 



1. Land 



2. Labor 



3. Livestock 



4. Fertilizers 



5. Machinery 



6. Schooling 



7. Technical education 



8. Research 



S 



Labor (implicit) 



Notes: Definitions of variables: the definitions of all variables except Research 



follow Hayami and Ruttan (1971, appendix A): 



Dependent: 



0////7M/— agricultural output (less intermediate products) value measured in 

 "wheat units" (essentially, identical constant prices for all countries) 

 Independent: 



Land— Area of agricultural land, including permanent meadows and pastures 



Labor— economically active male workers in the agricultural occupations (ex- 

 cept for forestry and fishery) 



Livestock— numhQT of animals weighted (camels 1.1, cattle .8, poultry .01, etc.) 



Fertilizers- total weight of N. PjOi^, K2O 



Machinery— lola\ tractor horsepower 



Schooling— rauo of students in school to the number of children of school-age 

 averaged 10 years before; e.g. for 1960 it is the average ratio for 1950, 1955, 1960 



Technical education— numbQT of graduates from college-level agricultural 

 schooling to 10,000 male workers in agriculture 



Research— stock of knowledge, counts of publications in agricultural sciences 

 from 1948 to 1960 

 In parentheses: / values 

 2 —of conventional variables 1-5 



