gross profit accounting This year, ms lagarde said there was a marked slowdown in activity and the UK's recent performance was disappointing because of the best performance of the global economy since the financial crisis. "Manufacturing companies with complex and lengthy international supply chains, such as the automotive industry, could also face significant challenges. These developments could also have a significant impact on productivity growth. " This is one of several economic forecasters who will suffer a downturn if voters leave the eu. What does that mean?