Introduction:
Yes, providing a pair of shoes to the first customer for advertising your business can be considered an economic activity. Economic activities are actions undertaken by individuals, organizations, or governments to generate income, create wealth, and satisfy needs and wants. They involve the production, distribution, and consumption of goods and services.

Explanation:
1. Economic Activity:
An economic activity refers to any activity that involves the production, distribution, or consumption of goods and services. It includes various actions such as manufacturing, trading, advertising, selling, or providing services. By giving a pair of shoes to your first customer for advertising your business, you are engaging in an economic activity.

2. Advertising:
Advertising is an essential marketing strategy employed by businesses to promote their products or services. It aims to create awareness, attract customers, and generate sales. By providing shoes to your first customer for advertising, you are utilizing them as a means to promote your business and attract potential customers.

3. Promotional Strategy:
Providing a pair of shoes to your first customer can be seen as a promotional strategy to gain visibility and create a positive image for your business. It allows potential customers to see and experience the quality of your products firsthand, which can influence their purchasing decisions.

4. Cost of Advertising:
While providing a pair of shoes for advertising purposes incurs a cost for your business, it can be considered an investment in marketing and promotion. This cost can be accounted for as a business expense and deducted from your overall revenue when calculating profits and taxes.

5. Word-of-Mouth Advertising:
By giving a pair of shoes to your first customer, you are also encouraging word-of-mouth advertising. Satisfied customers are more likely to recommend your products or services to their friends, family, and colleagues, thereby expanding the reach of your business without additional costs.

Conclusion:
In conclusion, providing a pair of shoes to your first customer for advertising your business is indeed an economic activity. It falls under the category of marketing and promotion, aiming to generate awareness, attract customers, and increase sales. While it incurs a cost for your business, it can be seen as an investment in advertising and can potentially yield long-term benefits such as increased visibility, customer loyalty, and word-of-mouth referrals.