Impact of election outcomes on individual's mood? Behavioral Finance
I can only provide an australian perspective, but we have a variety of consumer confidence sources tracking weekly results. Somewhere in

Here is one analysing elections. It shows a very sharp drop in the lead up but it is short lived. There is evidence that this impacts the stock market. 

Shane Oliver wrote about the 2013 australian election, the 2016 Australian election and the Italian election. The most interesting is probably the one published around the 2013 Australian election as it looks at the impact on stock markets. Those sources should be a good starting point. There's a good amount of research going around. The basic gist is that mood is impacted for sure but how important this mood swing is is unclear.