For each statement below determine if the statement is true, false, or uncertain.. Please provide a brief explanation as to why so I can understand.

1. The growth rate of total factor productivity is always greater than the growth rate of productivity.

2. Assume, as has often been claimed by outside observers, that China's exchange rate is undervalued. Over the long term, the Chinese government will either have to let the nominal exchange rate appreciate vis vis the dollar, or accept higher rates of inflation.

3. A country whose absorption exceeds its GDP must also have a capital account surplus.