51.   Poor performances by companies held by Berkshire, not rumors, have likely caused its drop in stock prices, analysts said.

52.   The English-language Vietnam News said authorities were worried that building factories and hotels on farmland would cause a drop in rice production and an increase in prices.

53.   The government already has imposed tight regulations and high taxes, causing a drop in the number of self-employed workers.

54.   The local currency, the leu, is overvalued, causing a drop in exports.

55.   The monetary crisis has caused a drop in the amount of processed milk currently being purchased.

56.   The report did not say what caused the drop.

57.   The sharp drop was caused entirely by losses in the third quarter due to the worldwide financial crisis, said the company in a statement.

58.   The timing of the announcement was criticized by several players and commentators for causing a drop in morale.

59.   The statement did not specify what may have caused the drop in the inflation rate.

60.   They allege that funding cutbacks have caused a drop in the standard of food and teaching, lecturers now even having to buy their own blackboard chalk.