economy
The German word for economy is 'Wirtschaft'. It is used to refer to the system of production, distribution, and consumption of goods and services in a country or region. It can also refer to the overall state of a country's financial system, as in 'the economy is doing well'.
The economy is booming in Germany.
This sentence states that the economy in Germany is doing very well, hence the use of the word 'booming' which implies rapid growth or success.
I study economics at the university.
This sentence implies the speaker is currently engaging in studies related to economics ('Wirtschaft') at the university.
The economy is an important election issue.
This sentence states that the economy ('Wirtschaft') is an important topic that greatly influences decisions during elections.