True/False/Uncertain - Brie y explain. No credit without an explanation (8 marks each). 1. The US can run a current account de cit forever. 2. In a 2-period economy, households would prefer to have B 2 < 0: 3. A positive temporary endowment shock would lead to current account improvement because of con- sumption smoothing. 4. Pro ts would decrease with higher capital depreciation. 5. Precautionary savings worsen the current account