Where the central bank or regulatory authority attempts to control the level of AD by alteringbase interest rates or the amount of money in the economy
Problems with using interest rates to manage demand include: exchangerateeffects, time lags, interest rates being too low, not all interest rates affected by Bank of England base rate, lack of confidence, and discouraging investment
When the Bank of England buys assets in exchange for money in order to increase moneysupply and get money moving around the economy during times of very low demand
Problems with quantitativeeasing include risks of high inflation, only increasing demand for second-hand goods, no guarantee of higher consumption, effects on housing and inequality, and economies becoming too dependent on it
Classical economists argue that any demand management, whether fiscal or monetary, will have no effect on long-run output so supply side policies should be used
The biggest issue of demand-side policies is that, in most cases, an expansionary policy is inflationary whilst a deflationary policy brings unemployment
Fiscal policy is more effective at targeting specific groups and reduce poverty, for example by increasing benefits it can increase AD and reduce inequality
The areas most affected in the UK were the primary industry and the manufacturing industry which relied on exports and so were impacted by the collapse of world trade