Final answer:
Multinationals are global economic entities that operate in multiple countries and play a significant role in the global economy, but Martin Wolf's specific description of them cannot be identified from the provided information.
Step-by-step explanation:
Martin Wolf's description of multinational corporations isn't provided in this content, so the exact viewpoint Martin Wolf holds on multinationals cannot be discerned from the given information. However, multinationals are generally understood as global economic entities based on the descriptions provided. They control production and services in multiple countries, operate beyond national borders, and collect capital from various nationalities. They also play a significant role in the global economy but are sometimes criticized for practices that may lead to economic disparity and cultural homogenization.