In: Economics
Nature and roles of President expanded over time to generate mutual cooperation between States, bring peace and support, intensive and explicitly setting up emergency, improved bilateral relationships, etc.
Also roles have now prompted to navigate uncertainty, bring stability into nation, focus mpre on sustainability amd debt management, improvise auditing and risk management frameworks and ethical issues.
The roles expanded after dot com bubble crash and Asian financial crisis which forced Presidents to be more Agile and have sufficient precautions to withstand challenges economically.