Description of the Origin of the model Heckscher-Ohlin?

Question

Analysis of the models assumptions

Answer 1

Assumption of perfect competition in all markets

Both countries have identical production technology

Production output must have constant Return to Scale

The technologies used to produce the two commodities differ

Labor mobility within countries

Capital mobility within countries

Capital immobility between countries

Labour immobility between countries

Commodities have the same price everywhere

Perfect internal competition

Wiki seems to have a perfect explanation of the models assumptions, i think your asking waaay to much of yahoo answers :)

http://en.wikipedia.org/wiki/Heckscher-O...

Origins? Bertil Ohlin