Worker productivity tends to be lower in most developing nations than in developed nations

Substantial research has proved that the only successful method of dealing with bottlenecks is to increase the bottleneck's capacity

Indicate whether the statement is true or false

The YTD% shown in Wall Street Journal stock quotes stands for the stock's dividend yield and is

calculated by dividing the amount of the dividend by the stock's opening price on the first day of the year. Indicate whether the statement is true or false