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It's all about small, keeping it smaller  than you think it is. So it's not about  going to the gym for an hour every day  when you're stressed, forget it... Your  amygdala and prefrontal cortex will be  duking it out for that one. No way you're  not going to go. It's like you're waiting  through molasses to put your sneakers on.  But if you start small and say I'm going  to go for a five minute walk today  you'll do it. Ini semua tentang hal yang simple, menjaganya tetap lebih simple dari yang kau kira. Jadi ini bukan soal pergi ke gym selama satu jam setiap hari saat kau stres, lupakan saja... Amigdala dan Prefrontal Korteksmu akan menghalangimu untuk melakukan hal itu. Tak mungkin... kamu tak akan pergi. Ini seperti kau sedang menunggu sirup pengganti gula atau mulai “ngemil” dengan makanan ringanmu. Tetapi jika kau memulai dari hal kecil dan mengatakan aku akan berjalan kaki lima menit hari ini, kau akan melakukannya. But sometimes ...

  You see how we brought -- last time, we talked about further out indifference curves make you happier.  Today, we talked about the fact that you're  limited by your budget. So we have the furthest indifference curve you can get to is gonna be, definitionally, at the tangent of the indifference curve  and the budget constraint.  And, once again, that gives you -- we realize we don't want to measure utils, but, just  for mathematical, for mathematical purpose, that gives utility at the tangency of square root of 18, OK?  At that point, you are choosing six cookies and three pizzas.  That is the choice you are making. That is the best off you can get given your budget.  And, to see this, let's talk about some other points and why they're not better, OK?  Let's talk about point A. Why isn't point A better? Why isn't it better to have two-- maybe  you just-- maybe you like cookies a lot and don't like-- or like pizza a lot and don't l...

  Priciples of Microeconomics (2) Today we're going to start talking about what's underneath the demand curve . So basically, what we did last time, and what you did in section on Friday is talk about sort of the workhorse model of economics , which is supply and demand model.  And we always start the class with that, because that's the model in the course. But I think as any good sort of scientists and inquisitive minds, you're probably immediately asking, well,  Where do these supply and demand curves come from?  They don't just come out of thin air.  How do we think about them?  Where do they come from?  And that's what we'll spend basically the first 1/2 of the course going through. And so we're going to start today with the demand curve, and the demand curve is going to come from how consumers make choices , OK?  And that will help us drive the demand curve.  Hari ini kita akan mulai berbicara tentang apa yang mendasari kurva permintaan...