Indonesian population growth increases the need for food is one of the potato plant (Solanum tuberosum L.). Increasing the level of consumption is not matched by an increase in production of potatoes. According to data from the Ministry of Agriculture last national potato production data in 2010 was 1,060,805 and in 2011 amounted to 955.48

Abstract. The area in Surabaya and Mojokerto is an industrial area that is increasing quite rapidly. Based on City Mojokerto in Figures Year 2016.From an industrial estate is a change of land use from agriculture or ponds into settlements and / or industries. The occurrence of congestion along this road because of the capacity that is not sufficient to accommodate the number of vehicles passing. The purpose of this research is to know the model of land use interaction, knowing the network performance and know the travel time to be passed. And analyze what components affect the calculation of travel time. Necessary data. The existing land layout along the road and the average traffic calculation data on the road in the study area. To know the travel time must be known in advance the capacity of the road that can be accommodated along the road. After the capacity is known the service performance becomes the main factor in determining road network performance. This research uses regression analysis for land use modeling.

The fluctuations in the price of cayenne are still a problem that continues to occur throughout the year. In certain seasons, the increase in the price of cayenne is quite significant, affecting the rate of increase. The government continues to approve and implement the stabilization policy for cayenne prices. In line with this, this study offers to examine the volatility of cayenne prices both at the producer level and at the consumer level. The research also analysis spillover volatility to study the presence or absence of transmission volatility that occurs in the price of cayenne at the consumer level and prices at the producer level. The method used in this study is ARCH / GARCH and GARCH-BEKK. The results show that price volatility at the producer level is high volatility, while price volatility at the consumer level shows a higher value is extreme volatility. The results of this study also show the fact that there is volatility in the price of cayenne at the consumer level with the price of cayenne at the producer level. Information about the results of this study is expected to help stabilize the price of cayenne in the market.