The incentive for the cities to plan well is the massive job creation that comes along. We did a paper last year that showed how it happens.
In the context of what happened last year, like distress migration from the cities, there is a school of thought that cities have become far too dense.
Yes, the New York Times had a headline, “Cities won’t survive”. It is true the pandemic impact has been very urban-centric. What became clear from our studies is that the evidence is not one-way. Cities will survive. On the density issue, it is not how many people live together but how well they are serviced. Roads, water or health services. Yet the fear of public transport is a real problem, and we need to work on this. But densities, as Indian cities show vividly, can help build up the viability of public transport.