How do economists integrate the international sector (exports and imports) into the aggregate expenditures model

How do economists integrate the international sector (exports and imports) into the aggregate expenditures model

Answer each question min of 200 words, APA format;

1. How do economists integrate the international sector (exports and imports) into the aggregate expenditures model?

2. How do economists integrate the public sector (government expenditures and taxes) into the aggregate expenditures model?

Reference:

McConnell, C., Brue, S., & Flynn, S. (2015). Economics Principals, Problems, and Policies (20th ed.).