Step 1: Understanding the question.
The question asks about the economic dimension of the business environment. The economic dimension typically includes factors that directly impact the economy and business operations.
Step 2: Analyzing the options.
- Modes of transportation communication facilities: This option relates directly to the economic dimension, as infrastructure (such as transportation) is an essential part of economic development.
- Life expectancy and expectations from the workforce: This relates to the social dimension rather than the economic dimension.
- Legislations passed by the government: These are more related to the political and legal dimensions.
- Technological developments: While important, they are related to the technological dimension, not directly to the economic dimension.
Step 3: Conclusion.
The correct answer is Modes of transportation communication facilities, as it directly impacts the economy and business operations.
Final Answer:
\[
\boxed{\text{The correct answer is (1) Modes of transportation communication facilities.}}
\]