Kosovo is retaliating by banning the import of Serbian and Bosnian goods from January 1st.

ECONOMIST: Kosovo and Serbia

The wireless-technology firm challenged a June 7th ruling by America's International Trade Commission banning the import of new mobile phones that contain the company's chips.

ECONOMIST: Business this week

The sanctions imposed on PDVSA only prohibit the company from obtaining either a U.S. export visa or money from the U.S. Import-Export Bank, as well as banning them from attempting to obtain U.S. procurement contracts.

CENTERFORSECURITYPOLICY: Center For Security Policy

China restricts the trade of art and other prized historical items, banning the export of what the government labels as "cultural relics, " and places heavy import taxes on collectors who bring art to the country.

WSJ: Sotheby's to Sell Art in China