Yes, Mathematics can be extremely useful in studying and understanding economic theories and models in Commerce.

1. Quantitative Analysis:
Mathematics provides a solid foundation for quantitative analysis in economics. It helps in measuring and analyzing economic variables, such as supply and demand, prices, quantities, and market equilibrium. Mathematical tools like calculus, algebra, and statistics allow economists to model and solve complex economic problems.

2. Economic Modeling:
Mathematics plays a crucial role in constructing economic models. These models help economists understand and predict how various economic variables interact with each other. Mathematical equations and formulas are used to express relationships between different economic variables and to develop theories and hypotheses.

3. Optimization:
Mathematical optimization techniques are widely used in economics to find the best possible solutions to economic problems. Optimization helps in determining optimal production levels, resource allocation, pricing strategies, and profit maximization. Linear programming, a mathematical technique, is often used to solve optimization problems in economics.

4. Econometrics:
Econometrics is a branch of economics that combines mathematical and statistical methods to analyze economic data. It enables economists to quantify the relationships between different economic variables and test economic theories using real-world data. Mathematical tools like regression analysis, time series analysis, and hypothesis testing are applied in econometric modeling.

5. Game Theory:
Mathematical game theory is used to analyze strategic interactions between individuals or firms in economics. It helps in understanding decision-making processes and predicting outcomes in situations where multiple parties are involved. Game theory is particularly useful in studying topics like market competition, pricing strategies, bargaining, and cooperation.

Conclusion:
In conclusion, Mathematics is an essential tool for studying and understanding economic theories and models in Commerce. It provides a rigorous framework for quantitative analysis, economic modeling, optimization, econometrics, and game theory. By applying mathematical methods, economists can gain valuable insights into complex economic phenomena and make informed decisions in the field of Commerce.