I guess that P. Krugman will not be happy of Lehman brothers blogging for him, nor me especiallywith girlfriend problems. Back in school problems with 3g were ominous, whereas economist.com escalated global economic crisis used to be the greates topic of all time. Nowadays global capital is redistributed other way than conglomerate demand based on society needs.
You have to be bold – psychiatrically strong – to acknogwledge basic needs the basis of Smith deal, stemming from market global demand & supply curves – which is easy merchandise. What makes this to be done is Keynes macroeconomics – the real case of a state – household deal in terms of a high-school & enterprise, e.g., sector.