The chance of a hard landing for China’s economy is very small in spite of worries about the country’s real-estate sector, the chief economist of the People’s Bank of China said on Saturday. Ma Jun told a panel on the sidelines of the IMF and World Bank fall meetings in Washington that the property sector, which accounts for 20 percent of total investment in China, was the main downside risk to the Chinese economy. Ma said the slowdown in real estate was putting downward pressure on the economy and some further deceleration in the sector was possible given weak public sales.