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Youre more likely to go to what ever is closest to you, for ex. Every east side marios is the same so you would go to which ever is closest Friction of Distance: The delaying effect of distance on interactions, the more you have to travel the more expensive it is (time, gas money, etx)Youd go a farther distance for materials you don’t get very often ex. Furniture, and go the least amount of distance for common buys like gumHow easy of difficult is it to overcome the distances that separate places?Ex. New forms of transportation and communication technology and the shipment of goods, friction of distance still applies even with the instantaneous communication we can achieve todayAccessibility and connectivity: critical for the nature and level of spatial interactionAccessibility:The ease with which distance can be crossedConnectivity:The tangible and intangible way that places are connected -Increased amount of accessibility and connectivity the lower the friction of distance Gravity Models: Measuring the quantity of movement or interaction b/w two places. We must consider:Relative sizes: how big are the two communities that we are talking about, larger communities= larger interactionDistance: if two places are close together based on distance decay principles there will be a lot ofinteraction, farther apart= less interaction Distance decay function: it matters how far the communities are and how accessible they are, ex.North Korea and South Korea= not accessible Iij = K ((Pi x Pj)/ Dijx)