Liquidity Trap
Liquidity trap occur when there is 0 % Interest rates
Occurs mostly when there is really low interest
Why Does 0 % Interest Rate Occur?
When their is no interest rate at all, the use of capital increases, this can increase inflation as demand for goods increase, prices increase and imports increase

The part where the graph goes constant, is that part called liquidity trap, the term "liquid cash" means that easily spendable money
Economic growth decreases as savings increase due to low interest rates
Less spending causes deflation, no enough income for firms and businesses
Due to the expectation of further decrease in price, sales decrease, profit decreases influencing the salaries of workers, this lacks economic growth