Been seeing a lot of discussion lately about why prices keep climbing, and honestly most people are mixing up two very different things happening in the economy. Let me break down what's actually going on because it matters for understanding where markets are headed.

So there's this thing called cost push inflation that doesn't get enough attention. Basically it happens when the supply of something gets squeezed but people still want it just as much. Think about what happened with oil and natural gas - when refineries shut down or geopolitical tensions cut off supply, suddenly you're paying way more at the pump even though nobody decided they needed less gas. The costs of production go up, companies can't make enough product, and boom - prices rise across the board. That's cost push inflation in action. It's not about demand going crazy, it's about supply getting choked off.

I've noticed this pattern repeating in different sectors. When natural disasters hit energy infrastructure or when raw material costs spike, you get this forced price increase. It's like the economy's hand is being forced - companies aren't trying to gouge, they literally can't produce enough at the old prices. That's fundamentally different from what we saw post-2020.

Now here's where it gets interesting. The other side of the coin is demand-pull inflation, and this is what really grabbed headlines after the pandemic. Picture this: economies shut down, then suddenly they reopened. People who'd been stuck at home for months had money saved up and were desperate to spend it. Employment rebounded, wages went up, and everyone wanted to buy stuff simultaneously. But here's the problem - factories and supply chains were still catching up. There weren't enough goods to go around.

This is what economists mean by too many dollars chasing too few goods. Demand-pull inflation is basically a sign of economic strength gone too far - so much money flowing around that prices get bid up. During that recovery phase, you saw it everywhere. Airline tickets, hotel rooms, lumber for new homes, even copper prices shot up because everyone wanted things at the same time.

The key difference matters because cost push inflation and demand-pull inflation need different solutions. When you've got cost push inflation happening, you're dealing with a supply problem that monetary policy alone can't fix easily. But demand-pull inflation? That's where central banks step in and tighten monetary policy to cool things down.

Most of the inflation we're dealing with these days is this mix of both, which makes it tricky for policymakers. Understanding which type is dominant at any moment actually tells you a lot about where the economy is headed and what assets might perform well. Worth paying attention to.