If this year's current account balance is–100 billiondollarsand the capital account balance is150 billiondollarsthen the amount of official reserves wil

The Balance of Payments (BoP) of a country is determined by the sum of the current account balance, the capital account balance, and the changes in official reserves. The formula is:

BoP = Current Account + Capital Account + Changes in Official Reserves

In this case, the current account balance is -100 billion dollars and the capital account balance is 150 billion dollars. The BoP should ideally be zero, as this indicates that the country is neither in surplus nor deficit.

So, if we rearrange the formula to find the changes in official reserves, we get:

Changes in Official Reserves = BoP - Current Account - Capital Account

Substituting the given values:

Changes in Official Reserves = 0 - (-100 billion dollars) - 150 billion dollars

This simplifies to:

Changes in Official Reserves = 100 billion dollars - 150 billion dollars

So, the changes in official reserves would be -50 billion dollars. This means that the country would need to decrease its official reserves by 50 billion dollars to balance its payments.