​Tsai Ing-wen and the DPP are headed for a historic victory in Saturday’s elections, and the battle has already begun to define the narrative about what that means. One fairly common refrain is that this likely outcome will presage a fundamental realignment of the party system around issues beyond the blue-green divide over cross-Strait relations.
 
I’m skeptical that we are about to see this kind of realigning election, despite the attention given to the campaigns of the so-called “Third Force” parties. I’m also skeptical that this result will be the death knell for the KMT as a political party capable of winning elections. The KMT's coming defeat clearly reflects deep unhappiness with Ma Ying-jeou and the KMT’s rule over the last eight years, intensified by a spectacularly ill-timed economic downturn over the last few months (at least if you are a KMT member!) But an unpopular leader, toxic party brand, and disillusioned supporters are not fatal to major party survival, as the DPP showed after its 2008 electoral thrashing. So while a KMT recovery is not assured, and will at a minimum require some major leadership shakeups, we shouldn't expect the party simply to fade away, and for all those pan-blue supporters (still at least 30 percent of the electorate) to suddenly become fans of the DPP or one of the new parties.

Of course, I could be totally wrong--I'm just some guy on the internet, after all. But either way, we'll know a lot more soon: elections have a nice way of splashing everybody with a cold dose of reality. The results of the election this Saturday will give us the most concrete evidence we'll have to evaluate these competing narratives. So, in the interest of intellectual honesty, let me lay out my own expectations about what will happen, and what it means. Beyond who wins and loses, here's what I'll be watching most closely to see where Taiwanese politics is headed.

In my previous post, I argued that the DPP's vote share in the legislative district races was likely to track Tsai Ing-wen's vote share fairly closely. From that basic intuition, I came up with a rank list of seats indicating how many districts the DPP would win with a given vote share for Tsai. That forecast rested on several assumptions:

1. There wouldn't be a very large incumbent advantage for KMT legislators;
2. Tsai's increase in vote share over 2012 would be uniform across districts;
3. The electorate voting for president would look essentially the same as that voting for the legislature.

I spent much of the last post defending assumption 1. Here I want to relax assumption 2, that Tsai's vote share is going to increase uniformly across all districts. That's certainly not going to be true in a technical sense, but to what degree will it be violated? The conventional wisdom about Taiwan's electoral geography is that the the north is more solidly blue than other parts of Taiwan, so the KMT's vote share will decline less in Taipei than in, say, Tainan or Pingtung. But how much less is hard to predict.

Let me put the punch line up front: I don't think Tsai's increase in vote share is going to vary much by locality. Evidence follows after the jump.