為何GDP會出現負增長,最大的成因是什麼?

This is because every people in UK lack confidence in the future economic growth in UK and in the global economy. Producers reduced investment and consumers shrank consumption. This was in fact reflected in the unstoppable fall in the global bourses. Even though many governments spent hugh money to help the economy, people still did not consume and invest, hence, UK GDP reported first negative growth in 16-year.