Globalization of markets refers to the increasing integration and interdependence of economies around the world, resulting in the flow of goods, services, capital, and information across borders. This process has led to several significant changes in the business environment, including the emergence of economies of scale, distribution and marketing, and management.

**Economies of Scale in Production:**
One of the key benefits of globalization is the ability for businesses to achieve economies of scale in production. This refers to the cost advantages that arise when production increases and unit costs decrease. As companies expand their operations globally, they can take advantage of larger markets, access cheaper inputs, and utilize more efficient production processes. This allows them to produce goods and services at a lower cost per unit, leading to increased profitability and competitiveness.

**Economies of Distribution and Marketing:**
Globalization has also facilitated economies of distribution and marketing. With the expansion of global markets, businesses can reach a larger customer base and benefit from economies of scale in distribution. They can leverage global supply chains, transportation networks, and logistics systems to reduce costs and improve efficiency in delivering products to customers worldwide. Furthermore, globalization has enabled companies to adopt standardized marketing strategies and leverage global branding, resulting in cost savings and increased market reach.

**Economies of Management:**
Globalization has had a profound impact on the way businesses are managed. It has enabled companies to access a global talent pool, allowing them to recruit skilled professionals from different countries. This diversity of talent brings fresh perspectives, knowledge, and expertise to organizations, leading to increased innovation and efficiency. Additionally, globalization has provided opportunities for companies to collaborate with international partners, share best practices, and adopt global management standards. This has resulted in improved management practices, increased productivity, and cost savings.

**All Business Operations:**
Lastly, globalization of markets has influenced all aspects of business operations. It has not only affected production, distribution, and marketing, but also finance, procurement, human resources, and technology. Companies can now source raw materials and components from different countries, access global financial markets, establish offshore manufacturing facilities, and leverage digital technologies to streamline operations. This integration of global operations and resources has resulted in economies of scale and scope, enabling businesses to operate more efficiently and effectively.

In conclusion, the globalization of markets has brought about economies of scale in production, distribution and marketing, and management. It has influenced all aspects of business operations, leading to cost savings, increased competitiveness, and improved performance for companies operating in the global marketplace.

Globalization of markets has brought about economies of all business operations which is option 'D'.