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so thank you for coming to this evening's event public fantasy Judith Barry one of our senior fellows here at the center for advanced visual studies we at MIT and locals welcome you Judith thank you for coming Judith has been an outstanding feminist Voyer media productionist sounding board Evangelical media artist and participant writer bookmaker traveler and architect I can't say enough good things about the input that Judith has given me personally over my own artistic career born in Columbus Ohio she's been everywhere in fact I usually see Judith in far-flung cities not where she lives echo in the shadow of the city Vampira is an exod ition piece that I saw many years ago and I'm always reminded of even in my current production it's also true that many of the things Judith has said over the years appears in the writings of others later and I'm surprised but somehow we all remember Judith when she first said when she talked about the interactivit...

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[SOUND LOGO] ROBERT TOWNSEND: Thank you all for coming. So we're entering the last one-third of the class. I guess the best way to talk about that would be schedule. So we're down to these-- you just had your second exam. And the last and final problem set was released a bit late over the weekend. But anyway, you should have it now. So what we're going to do is the welfare theorems today. And then things like existence of competitive equilibria and Nash equilibria, Gorman aggregation, when we're allowed to look at that representative household or not. And thinking about whether models identify data. In fact, whether you could reject a model based on data. So these first four lectures are all in general equilibrium but nevertheless do link to other themes that we've been covering in the class. And then, the last few lectures go back to the welfare theorems and talk about how they can fail but, in particular, also how you can construct market remedies fo...