Psychological Barriers to Trade. South Koreans fear that imported beef is unhealthy (because of Mad Cow Disease). 

"'I would never, never buy American beef. I have stopped buying Australian beef. I buy only Korean beef, although it is more expensive.'

Expensive it is. At the meat counter of the E-Mart supermarket in central Seoul, Min paid $20 for slightly less than a pound of medium-quality sliced beef. That's about triple the price of imported Australian beef, which was on sale a few feet away. American beef, if it ever returns to grocery store shelves here, would be as cheap as or cheaper than Australian meat, experts say. "