weak economy
A straightforward compound phrase used in economic contexts to describe an economy that is not strong or is underperforming.
If the weak economy continues, the unemployment rate may rise.
The government announced policies to rebuild the weak economy.
The adjective meaning 'weak'; here it modifies 経済 to form a compound expression.
Compound of 弱い (weak) and 経済 (economy). The phrase is transparent and follows standard Japanese noun-modification patterns.