Britain belongs to the EU, but it has not yet adopted the euro, and fierce debate rages

Question:

Britain belongs to the EU, but it has not yet adopted the euro, and fierce debate rages over the issue. a. Find macro data on the British economy’s performance since 1998 (inflation, unemployment, real GDP growth) and compare these with euro zone data. b. What were nominal interest rates in Britain and the euro zone after 1998? How would Britain have fared if the ECB had been setting Britain’s nominal interest rate at the euro zone level and the pound sterling’s euro had been fixed?

Exchange Rate
The value of one currency for the purpose of conversion to another. Exchange Rate means on any day, for purposes of determining the Dollar Equivalent of any currency other than Dollars, the rate at which such currency may be exchanged into Dollars...