Class 12 Economics (Introductory Macroeconomics) – Chapter 6 Open Economy Macroeconomics (खुली अर्थव्यवस्था का व्यापक अर्थशास्त्र) October 8, 2025 by manycubs Bilingual notes on open economy, foreign exchange, balance of payments, and exchange rate systems — fixed, flexible, and managed floating.