The City is desperate for a change. After reading the manifestos launched by the two most prominent opposition parties last week, it is terrified it might actually get one.

The Liberal Democrats opened the first door on the economic-policy advent calendar on Wednesday, reiterating their commitment to stop Brexit and adding measures such as reserving a role on corporate boards for workers’ representatives. There were also more eyebrow-raising forays into tax, such as making frequent fliers pay more in order to combat climate change.