a) The H-O model is famous for being elegant and mathematically sophisticated, yet failing to describe reality.

please answer the following questions  regarding extensions of simple Ricardian model:

a) The H-O model is famous for being elegant and mathematically sophisticated, yet failing to describe reality. Explain the leontief Paradox and then explain how economists "solved" this paradox.

b) which model of intra-industry trade best explain in the following industries ? Remember to clearly explain the critical differences between your chosen model and every alternative .

a. Wireless chargers

b. Beer