Table 2.

Hong Kong residents’ perception on constrains for building Hong Kong–Shenzhen metropolis (%).

The different values of residents in two cities	46.4
The difference in political institutions of two cities	37.5
The historical and cultural gap between two cities	25.6
The gap in economic development between two cities	22.5
The difference in economic regulation of two cities	22.1
The influence of Hong Kong’s politics	17.0
The division by the boundary	9.9
Others	1.4
No constrains	1.8
Unknown/no opinion	9.7
(Total)	(507)

Note: multiple answers are allowed. The number of respondents is in parenthesis.

Source: survey by the authors.