Precious metals, over the years, have been perceived as a haven of wealth and a store of value. From ancient civilizations to modern portfolios, they have sustained their position in the global financial system. But what really drives the price and demand for these metals? Let's delve deep into the economics of precious metals, weaving in relevant keyword mentions for a comprehensive understanding.

1. Supply & Demand Dynamics: The most fundamental economic principle driving the prices of precious metals, or any commodity for that matter, is supply and demand. When investors rush to sell gold, an excess supply could lead to a dip in its price. Conversely, if there's an increased demand, say for TD gold or BMO gold products, and the supply doesn’t keep pace, prices are likely to surge.

2. Macroeconomic Indicators: Global economic health, interest rates, and inflation have significant bearings on precious metal prices. Typically, in a high-inflation environment or economic uncertainty, the gold price CAD might escalate as investors look for tangible assets to secure their wealth.

3. Central Bank Reserves: When institutions like central banks increase their gold reserves, it indirectly attests to the metal's enduring value. Scotiabank gold or TD silver acquisitions by central banks can influence the overall market perception and thus the demand and price of these metals.

4. Currency Strength: A strong Canadian dollar, for instance, might reduce the gold price CAD for local investors, even if the global price remains unchanged. Conversely, a weaker currency can make importing gold more expensive, leading to higher domestic prices.

5. Mining Costs: Extracting metals from the earth isn't a cheap endeavor. The higher the costs of mining, the higher the base price of the metal. If mining TD gold, for instance, becomes more expensive due to regulatory or environmental challenges, it can push its price upwards.

6. Investment Trends: Financial products centered around precious metals, like Scotiabank gold coins or BMO gold-backed assets, can influence demand. If there’s a trend where investors are flocking towards precious metal-backed securities, it can drive up demand and consequently the price.

7. Geopolitical Events: Uncertain political climates, wars, or sanctions can increase the demand for safe-haven assets like gold. Investors, wary of volatile markets, might prefer to invest in tangible assets, prompting them to buy or sell gold based on perceived global stability.

8. Consumer Demand: Apart from investment purposes, precious metals, especially gold, have cultural and industrial significance. Festivals, weddings, and other occasions can boost demand. Similarly, the industrial use of metals, especially silver in electronics, can influence their market demand.

In wrapping up, understanding the multifaceted economics of precious metals can provide insights into their price movements and demand trends. Whether you’re considering investing in TD gold, Scotiabank silver coins, or simply wish to track the gold price CAD, a grasp of these underlying factors is essential in making informed decisions.